diff --git a/CHANGELOG.md b/CHANGELOG.md
index afafbe5f..8398d1a2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # CHANGELOG
 
+## v2.66.1 (2024-10-01)
+
+### Fix
+
+* fix(vmaas-go): revert appendUniq due to performance hit ([`c9a2306`](https://github.com/RedHatInsights/vmaas/commit/c9a23060dbeed0881d9026b8207520f61b3c7b51))
+
 ## v2.66.0 (2024-10-01)
 
 ### Chore
diff --git a/pyproject.toml b/pyproject.toml
index fe608c50..6ef66c15 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ commit_author = "vmaas-bot <40663028+vmaas-bot@users.noreply.github.com>"
 
 [tool.poetry]
 name = "vmaas"
-version = "2.66.0"
+version = "2.66.1"
 description = ""
 authors = [""]
 readme = "README.md"
diff --git a/vmaas/common/constants.py b/vmaas/common/constants.py
index 8aa9a5d4..3c683562 100644
--- a/vmaas/common/constants.py
+++ b/vmaas/common/constants.py
@@ -2,4 +2,4 @@
 Common constants declaration module.
 """
 
-VMAAS_VERSION = "2.66.0"
+VMAAS_VERSION = "2.66.1"