diff --git a/CHANGELOG.md b/CHANGELOG.md
index 388458bc7b237f1237a7831dedd3dac3a9745564..19394217d18c19f729c6c0e78021f349260e4863 100644
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+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+### 15.1.1 Add optional pool and sandbox instance attribute 'comment'.
+* adad354 -- [CI/CD] Update packages.json version based on GitLab tag.
+* f908729 -- Merge branch '41-add-comments-to-sandbox-pools-and-instances' into 'master'
+* 7310451 -- Add optional pool and sandbox instance attribute 'comment'
 ### 15.1.0 Adjust SandboxAllocationUnit to enable corresponding requests as optional upon creation.
 * a5d765c -- [CI/CD] Update packages.json version based on GitLab tag.
 * f0fd9d7 -- Merge branch '40-update-sandbox-allocation-unit' into 'master'