diff --git a/CHANGELOG.md b/CHANGELOG.md
index 55f548be..550901d9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,10 @@ will consitute of a breaking change warranting a new major release:
 
 # [unreleased]
 
+# [v6.5.1] 2023-09-12
+
+- Bumped `eive-tmtc` to v5.5.0.
+
 # [v6.5.0] 2023-09-12
 
 ## Changed
diff --git a/tmtc b/tmtc
index e56f8732..d23cc683 160000
--- a/tmtc
+++ b/tmtc
@@ -1 +1 @@
-Subproject commit e56f8732be52766bf73c1b7e222eff8cef114da5
+Subproject commit d23cc6834ad0895c230d2378b0c8d9ba4f374f8d