diff --git a/Build/Jenkins/update-neos-ui-compiled.sh b/Build/Jenkins/update-neos-ui-compiled.sh
index 406575bccd..0fae0482e1 100755
--- a/Build/Jenkins/update-neos-ui-compiled.sh
+++ b/Build/Jenkins/update-neos-ui-compiled.sh
@@ -54,7 +54,7 @@ cd tmp_compiled_pkg
 git add Resources/Public/
 git commit -m "Compile Neos UI - $GIT_SHA1" || true
 
-if [[ "$GIT_BRANCH" == "origin/master" || "$GIT_BRANCH" == "origin/4.0"  || "$GIT_BRANCH" == "origin/5.0" || "$GIT_BRANCH" == "origin/5.1" || "$GIT_BRANCH" == "origin/5.2" || "$GIT_BRANCH" == "origin/5.3" || "$GIT_BRANCH" == "origin/7.0"  || "$GIT_BRANCH" == "origin/7.1" || "$GIT_BRANCH" == "origin/7.2" ]]; then
+if [[ "$GIT_BRANCH" == "origin/master" || "$GIT_BRANCH" == "origin/4.0"  || "$GIT_BRANCH" == "origin/5.0" || "$GIT_BRANCH" == "origin/5.1" || "$GIT_BRANCH" == "origin/5.2" || "$GIT_BRANCH" == "origin/5.3" || "$GIT_BRANCH" == "origin/7.0"  || "$GIT_BRANCH" == "origin/7.1" || "$GIT_BRANCH" == "origin/7.2" || "$GIT_BRANCH" == "origin/7.3" ]]; then
     echo "Git branch $GIT_BRANCH found, pushing to this branch."
     git push origin HEAD:${GIT_BRANCH#*/}
 fi
diff --git a/README.md b/README.md
index eb5ba8f312..26813631f9 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,7 @@ That means:
 * NeosCMS version 7.0: branch 7.0
 * NeosCMS version 7.1: branch 7.1
 * NeosCMS version 7.2: branch 7.2
+* NeosCMS version 7.3: branch 7.3
 * latest development happens in master
 
 ## Browser support
@@ -134,7 +135,9 @@ git checkout 7.1 && git fetch && git reset --hard origin/7.1 && git merge --no-f
 # review and `git commit`
 git checkout 7.2 && git fetch && git reset --hard origin/7.2 && git merge --no-ff --no-commit origin/7.1
 # review and `git commit`
-git checkout master && git fetch && git reset --hard origin/master && git merge --no-ff --no-commit origin/7.2
+git checkout 7.3 && git fetch && git reset --hard origin/7.3 && git merge --no-ff --no-commit origin/7.2
+# review and `git commit`
+git checkout master && git fetch && git reset --hard origin/master && git merge --no-ff --no-commit origin/7.3
 # review and `git commit`
 ```
 
diff --git a/Tests/IntegrationTests/TestDistribution/DistributionPackages/Neos.TestSite/composer.json b/Tests/IntegrationTests/TestDistribution/DistributionPackages/Neos.TestSite/composer.json
index 6b391192c8..72280a6a75 100644
--- a/Tests/IntegrationTests/TestDistribution/DistributionPackages/Neos.TestSite/composer.json
+++ b/Tests/IntegrationTests/TestDistribution/DistributionPackages/Neos.TestSite/composer.json
@@ -3,7 +3,7 @@
     "description": "A dummy site package that will be replaced by fixtures during tests",
     "type": "neos-site",
     "require": {
-        "neos/neos": "*",
+        "neos/neos": "~7.3.0 || dev-master",
         "neos/neos-ui": "*",
         "neos/fusion-afx": "*"
     },
diff --git a/Tests/IntegrationTests/TestDistribution/composer.json b/Tests/IntegrationTests/TestDistribution/composer.json
index 6949b857e3..a086af0040 100644
--- a/Tests/IntegrationTests/TestDistribution/composer.json
+++ b/Tests/IntegrationTests/TestDistribution/composer.json
@@ -8,7 +8,7 @@
     },
     "minimum-stability": "dev",
     "require": {
-      "neos/neos-ui": "dev-master",
+      "neos/neos-ui": "~7.3.0",
       "neos/fusion-afx": "*",
       "neos/test-site": "@dev",
       "neos/test-nodetypes": "@dev"
diff --git a/composer.json b/composer.json
index 1bb830a552..2f338636b8 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,7 @@
     "GPL-3.0-or-later"
   ],
   "require": {
-    "neos/neos": "^7.2.0 || dev-master",
+    "neos/neos": "^7.3.0 || dev-master",
     "neos/neos-ui-compiled": "self.version"
   },
   "autoload": {