diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4a77abf56..9577d866d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,7 @@
 - pin `weldx-widgets>=0.2.3` for viz \[{pull}`939`\].
 - pin `pint>=0.21` \[{pull}`941`\].
 - pin `python<3.13` \[{pull}`896`\].
+- pin `asdf<4` \[{pull}`952`\].
 
 ## 0.6.8 (07.06.2024)