diff --git a/CHANGELOG.md b/CHANGELOG.md
index 17335d1f..10f4d4ae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,19 @@
+# [[1.0.0](https://github.com/yoshoku/rumale/compare/v0.29.0...v1.0.0)]
+## rumale-core
+- Add csv gem to runtime dependencies for Ruby 3.4.
+
+## rumale-ensemble
+- Add classifier and regressor classes based on Variable-Random Trees.
+  - VRTreesClassifier
+  - VRTreesRegressor
+
+## others
+- No changes, or minor changes using RuboCop.
+
+The above changes in this update would normally be version 0.30.0.
+However, considering the extensive development period of over five years,
+this release has been designated as version 1.0.0.
+
 # [[0.29.0](https://github.com/yoshoku/rumale/compare/v0.28.1...v0.29.0)]
 ## rumale-decomposition
 - Add transformer class for Sparse Principal Component Analysis.
@@ -8,10 +24,7 @@
   - LocalTangentSpaceAlignment
 
 ## others
-- No changes, or minor changes in configuration files.
-
-## others
-- No changes, or minor changes using RuboCop.
+- No changes, minor changes in configuration files.
 
 # [[0.28.1](https://github.com/yoshoku/rumale/compare/v0.28.0...v0.28.1)]
 ## rumale-core
diff --git a/bump.sh b/bump.sh
index 2398bc15..487f7bd8 100644
--- a/bump.sh
+++ b/bump.sh
@@ -1,7 +1,7 @@
 #!/bin/zsh
 
-FROM='0.28.1'
-TO='0.29.0'
+FROM='0.29.0'
+TO='1.0.0'
 
 for FILENAME in `find . -name 'version.rb'`; do
   gsed -i -e "s/VERSION\s*=\s*'${FROM}'/VERSION = '${TO}'/" ${FILENAME}
diff --git a/rumale-clustering/lib/rumale/clustering/version.rb b/rumale-clustering/lib/rumale/clustering/version.rb
index 9d10058f..ce1926c2 100644
--- a/rumale-clustering/lib/rumale/clustering/version.rb
+++ b/rumale-clustering/lib/rumale/clustering/version.rb
@@ -5,6 +5,6 @@ module Rumale
   # This module consists of classes that implement cluster analysis methods.
   module Clustering
     # @!visibility private
-    VERSION = '0.29.0'
+    VERSION = '1.0.0'
   end
 end
diff --git a/rumale-clustering/rumale-clustering.gemspec b/rumale-clustering/rumale-clustering.gemspec
index 488e2edc..96eed1ff 100644
--- a/rumale-clustering/rumale-clustering.gemspec
+++ b/rumale-clustering/rumale-clustering.gemspec
@@ -36,5 +36,5 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_dependency 'numo-narray', '>= 0.9.1'
-  spec.add_dependency 'rumale-core', '~> 0.29.0'
+  spec.add_dependency 'rumale-core', '~> 1.0.0'
 end
diff --git a/rumale-core/lib/rumale/core/version.rb b/rumale-core/lib/rumale/core/version.rb
index 6d8312e0..b988b5a5 100644
--- a/rumale-core/lib/rumale/core/version.rb
+++ b/rumale-core/lib/rumale/core/version.rb
@@ -5,6 +5,6 @@ module Rumale
   # @!visibility private
   module Core
     # @!visibility private
-    VERSION = '0.29.0'
+    VERSION = '1.0.0'
   end
 end
diff --git a/rumale-decomposition/lib/rumale/decomposition/version.rb b/rumale-decomposition/lib/rumale/decomposition/version.rb
index 2ae10a95..be1b8bb3 100644
--- a/rumale-decomposition/lib/rumale/decomposition/version.rb
+++ b/rumale-decomposition/lib/rumale/decomposition/version.rb
@@ -5,6 +5,6 @@ module Rumale
   # Module for matrix decomposition algorithms.
   module Decomposition
     # @!visibility private
-    VERSION = '0.29.0'
+    VERSION = '1.0.0'
   end
 end
diff --git a/rumale-decomposition/rumale-decomposition.gemspec b/rumale-decomposition/rumale-decomposition.gemspec
index b4b0f322..dae1fe49 100644
--- a/rumale-decomposition/rumale-decomposition.gemspec
+++ b/rumale-decomposition/rumale-decomposition.gemspec
@@ -34,5 +34,5 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_dependency 'numo-narray', '>= 0.9.1'
-  spec.add_dependency 'rumale-core', '~> 0.29.0'
+  spec.add_dependency 'rumale-core', '~> 1.0.0'
 end
diff --git a/rumale-ensemble/lib/rumale/ensemble/version.rb b/rumale-ensemble/lib/rumale/ensemble/version.rb
index ea2395da..e73930bd 100644
--- a/rumale-ensemble/lib/rumale/ensemble/version.rb
+++ b/rumale-ensemble/lib/rumale/ensemble/version.rb
@@ -5,6 +5,6 @@ module Rumale
   # This module consists of the classes that implement ensemble-based methods.
   module Ensemble
     # @!visibility private
-    VERSION = '0.29.0'
+    VERSION = '1.0.0'
   end
 end
diff --git a/rumale-ensemble/rumale-ensemble.gemspec b/rumale-ensemble/rumale-ensemble.gemspec
index 9893be9e..5497319e 100644
--- a/rumale-ensemble/rumale-ensemble.gemspec
+++ b/rumale-ensemble/rumale-ensemble.gemspec
@@ -34,9 +34,9 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_dependency 'numo-narray', '>= 0.9.1'
-  spec.add_dependency 'rumale-core', '~> 0.29.0'
-  spec.add_dependency 'rumale-linear_model', '~> 0.29.0'
-  spec.add_dependency 'rumale-model_selection', '~> 0.29.0'
-  spec.add_dependency 'rumale-preprocessing', '~> 0.29.0'
-  spec.add_dependency 'rumale-tree', '~> 0.29.0'
+  spec.add_dependency 'rumale-core', '~> 1.0.0'
+  spec.add_dependency 'rumale-linear_model', '~> 1.0.0'
+  spec.add_dependency 'rumale-model_selection', '~> 1.0.0'
+  spec.add_dependency 'rumale-preprocessing', '~> 1.0.0'
+  spec.add_dependency 'rumale-tree', '~> 1.0.0'
 end
diff --git a/rumale-evaluation_measure/lib/rumale/evaluation_measure/version.rb b/rumale-evaluation_measure/lib/rumale/evaluation_measure/version.rb
index 3f5d5581..62cf8985 100644
--- a/rumale-evaluation_measure/lib/rumale/evaluation_measure/version.rb
+++ b/rumale-evaluation_measure/lib/rumale/evaluation_measure/version.rb
@@ -5,6 +5,6 @@ module Rumale
   # This module consists of the classes for model evaluation.
   module EvaluationMeasure
     # @!visibility private
-    VERSION = '0.29.0'
+    VERSION = '1.0.0'
   end
 end
diff --git a/rumale-evaluation_measure/rumale-evaluation_measure.gemspec b/rumale-evaluation_measure/rumale-evaluation_measure.gemspec
index cdd9188d..f40e4602 100644
--- a/rumale-evaluation_measure/rumale-evaluation_measure.gemspec
+++ b/rumale-evaluation_measure/rumale-evaluation_measure.gemspec
@@ -34,5 +34,5 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_dependency 'numo-narray', '>= 0.9.1'
-  spec.add_dependency 'rumale-core', '~> 0.29.0'
+  spec.add_dependency 'rumale-core', '~> 1.0.0'
 end
diff --git a/rumale-feature_extraction/lib/rumale/feature_extraction/version.rb b/rumale-feature_extraction/lib/rumale/feature_extraction/version.rb
index 6264edc2..c162818a 100644
--- a/rumale-feature_extraction/lib/rumale/feature_extraction/version.rb
+++ b/rumale-feature_extraction/lib/rumale/feature_extraction/version.rb
@@ -5,6 +5,6 @@ module Rumale
   # This module consists of the classes that extract features from raw data.
   module FeatureExtraction
     # @!visibility private
-    VERSION = '0.29.0'
+    VERSION = '1.0.0'
   end
 end
diff --git a/rumale-feature_extraction/rumale-feature_extraction.gemspec b/rumale-feature_extraction/rumale-feature_extraction.gemspec
index f66e6713..ee2f6ada 100644
--- a/rumale-feature_extraction/rumale-feature_extraction.gemspec
+++ b/rumale-feature_extraction/rumale-feature_extraction.gemspec
@@ -35,5 +35,5 @@ Gem::Specification.new do |spec|
 
   spec.add_dependency 'mmh3', '~> 1.0'
   spec.add_dependency 'numo-narray', '>= 0.9.1'
-  spec.add_dependency 'rumale-core', '~> 0.29.0'
+  spec.add_dependency 'rumale-core', '~> 1.0.0'
 end
diff --git a/rumale-kernel_approximation/lib/rumale/kernel_approximation/version.rb b/rumale-kernel_approximation/lib/rumale/kernel_approximation/version.rb
index c8aeb6de..55ca1897 100644
--- a/rumale-kernel_approximation/lib/rumale/kernel_approximation/version.rb
+++ b/rumale-kernel_approximation/lib/rumale/kernel_approximation/version.rb
@@ -5,6 +5,6 @@ module Rumale
   # Module for kernel approximation algorithms.
   module KernelApproximation
     # @!visibility private
-    VERSION = '0.29.0'
+    VERSION = '1.0.0'
   end
 end
diff --git a/rumale-kernel_approximation/rumale-kernel_approximation.gemspec b/rumale-kernel_approximation/rumale-kernel_approximation.gemspec
index ee2d612b..4ea5032f 100644
--- a/rumale-kernel_approximation/rumale-kernel_approximation.gemspec
+++ b/rumale-kernel_approximation/rumale-kernel_approximation.gemspec
@@ -34,5 +34,5 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_dependency 'numo-narray', '>= 0.9.1'
-  spec.add_dependency 'rumale-core', '~> 0.29.0'
+  spec.add_dependency 'rumale-core', '~> 1.0.0'
 end
diff --git a/rumale-kernel_machine/lib/rumale/kernel_machine/version.rb b/rumale-kernel_machine/lib/rumale/kernel_machine/version.rb
index d8481d2e..2d47f388 100644
--- a/rumale-kernel_machine/lib/rumale/kernel_machine/version.rb
+++ b/rumale-kernel_machine/lib/rumale/kernel_machine/version.rb
@@ -5,6 +5,6 @@ module Rumale
   # This module consists of the classes that implement kernel method-based estimator.
   module KernelMachine
     # @!visibility private
-    VERSION = '0.29.0'
+    VERSION = '1.0.0'
   end
 end
diff --git a/rumale-kernel_machine/rumale-kernel_machine.gemspec b/rumale-kernel_machine/rumale-kernel_machine.gemspec
index cec020bd..2967849f 100644
--- a/rumale-kernel_machine/rumale-kernel_machine.gemspec
+++ b/rumale-kernel_machine/rumale-kernel_machine.gemspec
@@ -35,7 +35,7 @@ Gem::Specification.new do |spec|
 
   # Uncomment to register a new dependency of your gem
   spec.add_dependency 'numo-narray', '>= 0.9.1'
-  spec.add_dependency 'rumale-core', '~> 0.29.0'
+  spec.add_dependency 'rumale-core', '~> 1.0.0'
 
   # For more information and examples about making a new gem, checkout our
   # guide at: https://bundler.io/guides/creating_gem.html
diff --git a/rumale-linear_model/lib/rumale/linear_model/version.rb b/rumale-linear_model/lib/rumale/linear_model/version.rb
index 65d15a7b..c9815190 100644
--- a/rumale-linear_model/lib/rumale/linear_model/version.rb
+++ b/rumale-linear_model/lib/rumale/linear_model/version.rb
@@ -5,6 +5,6 @@ module Rumale
   # This module consists of the classes that implement generalized linear models.
   module LinearModel
     # @!visibility private
-    VERSION = '0.29.0'
+    VERSION = '1.0.0'
   end
 end
diff --git a/rumale-linear_model/rumale-linear_model.gemspec b/rumale-linear_model/rumale-linear_model.gemspec
index 50a00404..504f0079 100644
--- a/rumale-linear_model/rumale-linear_model.gemspec
+++ b/rumale-linear_model/rumale-linear_model.gemspec
@@ -35,5 +35,5 @@ Gem::Specification.new do |spec|
 
   spec.add_dependency 'lbfgsb', '>=0.3.0'
   spec.add_dependency 'numo-narray', '>= 0.9.1'
-  spec.add_dependency 'rumale-core', '~> 0.29.0'
+  spec.add_dependency 'rumale-core', '~> 1.0.0'
 end
diff --git a/rumale-manifold/lib/rumale/manifold/version.rb b/rumale-manifold/lib/rumale/manifold/version.rb
index 26a3a281..ba5fe8a0 100644
--- a/rumale-manifold/lib/rumale/manifold/version.rb
+++ b/rumale-manifold/lib/rumale/manifold/version.rb
@@ -5,6 +5,6 @@ module Rumale
   # Module for data embedding algorithms.
   module Manifold
     # @!visibility private
-    VERSION = '0.29.0'
+    VERSION = '1.0.0'
   end
 end
diff --git a/rumale-manifold/rumale-manifold.gemspec b/rumale-manifold/rumale-manifold.gemspec
index 322ce31e..0946d6cc 100644
--- a/rumale-manifold/rumale-manifold.gemspec
+++ b/rumale-manifold/rumale-manifold.gemspec
@@ -34,6 +34,6 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_dependency 'numo-narray', '>= 0.9.1'
-  spec.add_dependency 'rumale-core', '~> 0.29.0'
-  spec.add_dependency 'rumale-decomposition', '~> 0.29.0'
+  spec.add_dependency 'rumale-core', '~> 1.0.0'
+  spec.add_dependency 'rumale-decomposition', '~> 1.0.0'
 end
diff --git a/rumale-metric_learning/lib/rumale/metric_learning/version.rb b/rumale-metric_learning/lib/rumale/metric_learning/version.rb
index 0bc2d0cb..285d4708 100644
--- a/rumale-metric_learning/lib/rumale/metric_learning/version.rb
+++ b/rumale-metric_learning/lib/rumale/metric_learning/version.rb
@@ -5,6 +5,6 @@ module Rumale
   # Module for metric learning algorithms.
   module MetricLearning
     # @!visibility private
-    VERSION = '0.29.0'
+    VERSION = '1.0.0'
   end
 end
diff --git a/rumale-metric_learning/rumale-metric_learning.gemspec b/rumale-metric_learning/rumale-metric_learning.gemspec
index 51a4f958..1b247f28 100644
--- a/rumale-metric_learning/rumale-metric_learning.gemspec
+++ b/rumale-metric_learning/rumale-metric_learning.gemspec
@@ -35,6 +35,6 @@ Gem::Specification.new do |spec|
 
   spec.add_dependency 'lbfgsb', '>=0.3.0'
   spec.add_dependency 'numo-narray', '>= 0.9.1'
-  spec.add_dependency 'rumale-core', '~> 0.29.0'
-  spec.add_dependency 'rumale-decomposition', '~> 0.29.0'
+  spec.add_dependency 'rumale-core', '~> 1.0.0'
+  spec.add_dependency 'rumale-decomposition', '~> 1.0.0'
 end
diff --git a/rumale-model_selection/lib/rumale/model_selection/version.rb b/rumale-model_selection/lib/rumale/model_selection/version.rb
index f4228775..a10fbaa3 100644
--- a/rumale-model_selection/lib/rumale/model_selection/version.rb
+++ b/rumale-model_selection/lib/rumale/model_selection/version.rb
@@ -3,6 +3,6 @@
 module Rumale
   module ModelSelection
     # @!visibility private
-    VERSION = '0.29.0'
+    VERSION = '1.0.0'
   end
 end
diff --git a/rumale-model_selection/rumale-model_selection.gemspec b/rumale-model_selection/rumale-model_selection.gemspec
index 0bfb7f77..c171d74a 100644
--- a/rumale-model_selection/rumale-model_selection.gemspec
+++ b/rumale-model_selection/rumale-model_selection.gemspec
@@ -34,7 +34,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_dependency 'numo-narray', '>= 0.9.1'
-  spec.add_dependency 'rumale-core', '~> 0.29.0'
-  spec.add_dependency 'rumale-evaluation_measure', '~> 0.29.0'
-  spec.add_dependency 'rumale-preprocessing', '~> 0.29.0'
+  spec.add_dependency 'rumale-core', '~> 1.0.0'
+  spec.add_dependency 'rumale-evaluation_measure', '~> 1.0.0'
+  spec.add_dependency 'rumale-preprocessing', '~> 1.0.0'
 end
diff --git a/rumale-naive_bayes/lib/rumale/naive_bayes/version.rb b/rumale-naive_bayes/lib/rumale/naive_bayes/version.rb
index e25cedff..10fc0ac2 100644
--- a/rumale-naive_bayes/lib/rumale/naive_bayes/version.rb
+++ b/rumale-naive_bayes/lib/rumale/naive_bayes/version.rb
@@ -5,6 +5,6 @@ module Rumale
   # This module consists of the classes that implement naive bayes models.
   module NaiveBayes
     # @!visibility private
-    VERSION = '0.29.0'
+    VERSION = '1.0.0'
   end
 end
diff --git a/rumale-naive_bayes/rumale-naive_bayes.gemspec b/rumale-naive_bayes/rumale-naive_bayes.gemspec
index 587123f0..cbbf8d2f 100644
--- a/rumale-naive_bayes/rumale-naive_bayes.gemspec
+++ b/rumale-naive_bayes/rumale-naive_bayes.gemspec
@@ -34,5 +34,5 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_dependency 'numo-narray', '>= 0.9.1'
-  spec.add_dependency 'rumale-core', '~> 0.29.0'
+  spec.add_dependency 'rumale-core', '~> 1.0.0'
 end
diff --git a/rumale-nearest_neighbors/lib/rumale/nearest_neighbors/version.rb b/rumale-nearest_neighbors/lib/rumale/nearest_neighbors/version.rb
index 399b9633..6d5ed258 100644
--- a/rumale-nearest_neighbors/lib/rumale/nearest_neighbors/version.rb
+++ b/rumale-nearest_neighbors/lib/rumale/nearest_neighbors/version.rb
@@ -5,6 +5,6 @@ module Rumale
   # This module consists of the classes that implement estimators based on nearest neighbors rule.
   module NearestNeighbors
     # @!visibility private
-    VERSION = '0.29.0'
+    VERSION = '1.0.0'
   end
 end
diff --git a/rumale-nearest_neighbors/rumale-nearest_neighbors.gemspec b/rumale-nearest_neighbors/rumale-nearest_neighbors.gemspec
index 80885cdb..1a79e992 100644
--- a/rumale-nearest_neighbors/rumale-nearest_neighbors.gemspec
+++ b/rumale-nearest_neighbors/rumale-nearest_neighbors.gemspec
@@ -34,5 +34,5 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_dependency 'numo-narray', '>= 0.9.1'
-  spec.add_dependency 'rumale-core', '~> 0.29.0'
+  spec.add_dependency 'rumale-core', '~> 1.0.0'
 end
diff --git a/rumale-neural_network/lib/rumale/neural_network/version.rb b/rumale-neural_network/lib/rumale/neural_network/version.rb
index a0db373a..c846dab6 100644
--- a/rumale-neural_network/lib/rumale/neural_network/version.rb
+++ b/rumale-neural_network/lib/rumale/neural_network/version.rb
@@ -5,6 +5,6 @@ module Rumale
   # This module consists of the modules and classes for implementation multi-layer perceptron estimator.
   module NeuralNetwork
     # @!visibility private
-    VERSION = '0.29.0'
+    VERSION = '1.0.0'
   end
 end
diff --git a/rumale-neural_network/rumale-neural_network.gemspec b/rumale-neural_network/rumale-neural_network.gemspec
index cf2e3320..a7f88373 100644
--- a/rumale-neural_network/rumale-neural_network.gemspec
+++ b/rumale-neural_network/rumale-neural_network.gemspec
@@ -36,5 +36,5 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_dependency 'numo-narray', '>= 0.9.1'
-  spec.add_dependency 'rumale-core', '~> 0.29.0'
+  spec.add_dependency 'rumale-core', '~> 1.0.0'
 end
diff --git a/rumale-pipeline/lib/rumale/pipeline/version.rb b/rumale-pipeline/lib/rumale/pipeline/version.rb
index a7d24639..d0672a91 100644
--- a/rumale-pipeline/lib/rumale/pipeline/version.rb
+++ b/rumale-pipeline/lib/rumale/pipeline/version.rb
@@ -5,6 +5,6 @@ module Rumale
   # Module implements utilities of pipeline that cosists of a chain of transfomers and estimators.
   module Pipeline
     # @!visibility private
-    VERSION = '0.29.0'
+    VERSION = '1.0.0'
   end
 end
diff --git a/rumale-pipeline/rumale-pipeline.gemspec b/rumale-pipeline/rumale-pipeline.gemspec
index 2e2cf5eb..c7be5caa 100644
--- a/rumale-pipeline/rumale-pipeline.gemspec
+++ b/rumale-pipeline/rumale-pipeline.gemspec
@@ -30,5 +30,5 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_dependency 'numo-narray', '>= 0.9.1'
-  spec.add_dependency 'rumale-core', '~> 0.29.0'
+  spec.add_dependency 'rumale-core', '~> 1.0.0'
 end
diff --git a/rumale-preprocessing/lib/rumale/preprocessing/version.rb b/rumale-preprocessing/lib/rumale/preprocessing/version.rb
index c2e47c00..0d09fd88 100644
--- a/rumale-preprocessing/lib/rumale/preprocessing/version.rb
+++ b/rumale-preprocessing/lib/rumale/preprocessing/version.rb
@@ -5,6 +5,6 @@ module Rumale
   # This module consists of the classes that perform preprocessings.
   module Preprocessing
     # @!visibility private
-    VERSION = '0.29.0'
+    VERSION = '1.0.0'
   end
 end
diff --git a/rumale-preprocessing/rumale-preprocessing.gemspec b/rumale-preprocessing/rumale-preprocessing.gemspec
index 7ad29843..f96c4730 100644
--- a/rumale-preprocessing/rumale-preprocessing.gemspec
+++ b/rumale-preprocessing/rumale-preprocessing.gemspec
@@ -34,5 +34,5 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_dependency 'numo-narray', '>= 0.9.1'
-  spec.add_dependency 'rumale-core', '~> 0.29.0'
+  spec.add_dependency 'rumale-core', '~> 1.0.0'
 end
diff --git a/rumale-tree/lib/rumale/tree/version.rb b/rumale-tree/lib/rumale/tree/version.rb
index 9197b962..edc7acff 100644
--- a/rumale-tree/lib/rumale/tree/version.rb
+++ b/rumale-tree/lib/rumale/tree/version.rb
@@ -5,6 +5,6 @@ module Rumale
   # This module consists of the classes that implement tree models.
   module Tree
     # @!visibility private
-    VERSION = '0.29.0'
+    VERSION = '1.0.0'
   end
 end
diff --git a/rumale-tree/rumale-tree.gemspec b/rumale-tree/rumale-tree.gemspec
index 073033a5..8d86ad27 100644
--- a/rumale-tree/rumale-tree.gemspec
+++ b/rumale-tree/rumale-tree.gemspec
@@ -31,5 +31,5 @@ Gem::Specification.new do |spec|
   spec.extensions = ['ext/rumale/tree/extconf.rb']
 
   spec.add_dependency 'numo-narray', '>= 0.9.1'
-  spec.add_dependency 'rumale-core', '~> 0.29.0'
+  spec.add_dependency 'rumale-core', '~> 1.0.0'
 end
diff --git a/rumale/lib/rumale/version.rb b/rumale/lib/rumale/version.rb
index e9a78e6b..bb098c7c 100644
--- a/rumale/lib/rumale/version.rb
+++ b/rumale/lib/rumale/version.rb
@@ -3,5 +3,5 @@
 # Rumale is a machine learning library in Ruby.
 module Rumale
   # The version of Rumale you are using.
-  VERSION = '0.29.0'
+  VERSION = '1.0.0'
 end
diff --git a/rumale/rumale.gemspec b/rumale/rumale.gemspec
index 10881750..f2e1c872 100644
--- a/rumale/rumale.gemspec
+++ b/rumale/rumale.gemspec
@@ -50,22 +50,22 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_dependency 'numo-narray', '>= 0.9.1'
-  spec.add_dependency 'rumale-clustering', '~> 0.29.0'
-  spec.add_dependency 'rumale-core', '~> 0.29.0'
-  spec.add_dependency 'rumale-decomposition', '~> 0.29.0'
-  spec.add_dependency 'rumale-ensemble', '~> 0.29.0'
-  spec.add_dependency 'rumale-evaluation_measure', '~> 0.29.0'
-  spec.add_dependency 'rumale-feature_extraction', '~> 0.29.0'
-  spec.add_dependency 'rumale-kernel_approximation', '~> 0.29.0'
-  spec.add_dependency 'rumale-kernel_machine', '~> 0.29.0'
-  spec.add_dependency 'rumale-linear_model', '~> 0.29.0'
-  spec.add_dependency 'rumale-manifold', '~> 0.29.0'
-  spec.add_dependency 'rumale-metric_learning', '~> 0.29.0'
-  spec.add_dependency 'rumale-model_selection', '~> 0.29.0'
-  spec.add_dependency 'rumale-naive_bayes', '~> 0.29.0'
-  spec.add_dependency 'rumale-nearest_neighbors', '~> 0.29.0'
-  spec.add_dependency 'rumale-neural_network', '~> 0.29.0'
-  spec.add_dependency 'rumale-pipeline', '~> 0.29.0'
-  spec.add_dependency 'rumale-preprocessing', '~> 0.29.0'
-  spec.add_dependency 'rumale-tree', '~> 0.29.0'
+  spec.add_dependency 'rumale-clustering', '~> 1.0.0'
+  spec.add_dependency 'rumale-core', '~> 1.0.0'
+  spec.add_dependency 'rumale-decomposition', '~> 1.0.0'
+  spec.add_dependency 'rumale-ensemble', '~> 1.0.0'
+  spec.add_dependency 'rumale-evaluation_measure', '~> 1.0.0'
+  spec.add_dependency 'rumale-feature_extraction', '~> 1.0.0'
+  spec.add_dependency 'rumale-kernel_approximation', '~> 1.0.0'
+  spec.add_dependency 'rumale-kernel_machine', '~> 1.0.0'
+  spec.add_dependency 'rumale-linear_model', '~> 1.0.0'
+  spec.add_dependency 'rumale-manifold', '~> 1.0.0'
+  spec.add_dependency 'rumale-metric_learning', '~> 1.0.0'
+  spec.add_dependency 'rumale-model_selection', '~> 1.0.0'
+  spec.add_dependency 'rumale-naive_bayes', '~> 1.0.0'
+  spec.add_dependency 'rumale-nearest_neighbors', '~> 1.0.0'
+  spec.add_dependency 'rumale-neural_network', '~> 1.0.0'
+  spec.add_dependency 'rumale-pipeline', '~> 1.0.0'
+  spec.add_dependency 'rumale-preprocessing', '~> 1.0.0'
+  spec.add_dependency 'rumale-tree', '~> 1.0.0'
 end