diff --git a/CHANGES.md b/CHANGES.md
index ea2251ac..3c8a7a2e 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -4,9 +4,21 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [5.1.11] - 2023-05-16
+### Fixed
+- Set webjar versions in `pom.xml`
+
+## [5.1.10] - 2023-04-14
+### Fixed
+- Return 406 response code if server cannot find representation that is acceptable by the client
+
+## [5.1.9] - 2023-03-23
+### Fixed
+- Updates ImageIO version to support transformations of corrupt (but recoverable) images and to suupport `JSAMP_411` subsampling
+
 ## [5.1.4] - 2022-03-28
 ### Fixed
-- Fix bug in metrics handling that caused variouus metrics to be silently dropped
+- Fix bug in metrics handling that caused various metrics to be silently dropped
 
 ## [5.1.3] - 2022-03-15
 ### Fixed
diff --git a/pom.xml b/pom.xml
index 7e3db97b..eeab642f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
 
   <groupId>de.digitalcollections</groupId>
   <artifactId>iiif-server-hymir</artifactId>
-  <version>5.1.11-SNAPSHOT</version>
+  <version>5.1.11</version>
   <packaging>jar</packaging>
 
   <url>https://github.com/dbmdz/iiif-server-hymir</url>
@@ -174,12 +174,12 @@
     <dependency>
       <groupId>de.digitalcollections.imageio</groupId>
       <artifactId>imageio-turbojpeg</artifactId>
-      <version>0.6.7-SNAPSHOT</version>
+      <version>0.6.7</version>
     </dependency>
     <dependency>
       <groupId>de.digitalcollections.imageio</groupId>
       <artifactId>imageio-openjpeg</artifactId>
-      <version>0.6.7-SNAPSHOT</version>
+      <version>0.6.7</version>
     </dependency>
     <dependency>
       <groupId>de.digitalcollections.iiif</groupId>