diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1f82c796a..963ee539b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,6 +25,7 @@ All notable changes to this project will be documented in this file.
 - opa: Add version `0.61.0` ([#538]).
 - trino: Add version `438` ([#547]).
 - vector: Switch from version `0.33.0` to `0.35.0` ([#547], [#549]).
+- zookeeper: Add version `3.9.1` ([#551]).
 
 ### Changed
 
@@ -40,6 +41,7 @@ All notable changes to this project will be documented in this file.
 
 - hadoop: Remove support for version `3.2.2` ([#540]).
 - opa: Remove support for version `0.51.0` ([#547]).
+- zookeeper: Remove support for version `3.8.1` ([#551]).
 
 [#493]: https://github.com/stackabletech/docker-images/pull/493
 [#506]: https://github.com/stackabletech/docker-images/pull/506
@@ -58,6 +60,7 @@ All notable changes to this project will be documented in this file.
 [#544]: https://github.com/stackabletech/docker-images/pull/544
 [#547]: https://github.com/stackabletech/docker-images/pull/547
 [#549]: https://github.com/stackabletech/docker-images/pull/549
+[#551]: https://github.com/stackabletech/docker-images/pull/551
 
 ## [23.11.0] - 2023-11-30
 
diff --git a/conf.py b/conf.py
index 9580f5076..c906476d5 100644
--- a/conf.py
+++ b/conf.py
@@ -382,8 +382,16 @@
     {
         "name": "zookeeper",
         "versions": [
-            {"product": "3.8.1", "java-base": "11", "jmx_exporter": "0.20.0"},
-            {"product": "3.8.3", "java-base": "11", "jmx_exporter": "0.20.0"},
+            {
+                "product": "3.8.3",
+                "java-base": "11",
+                "jmx_exporter": "0.20.0"
+            },
+            {
+                "product": "3.9.1",
+                "java-base": "11",
+                "jmx_exporter": "0.20.0"
+            },
         ],
     },
     {