diff --git a/.github/dependabot/constraints.txt b/.github/dependabot/constraints.txt
index 30dd7957..3b4963c4 100644
--- a/.github/dependabot/constraints.txt
+++ b/.github/dependabot/constraints.txt
@@ -2,7 +2,7 @@ cloudpickle==2.2.1
 coverage==6.2
 h5py<3.10.0
 karabo-bridge==0.7.0
-msgpack==1.0.6
+msgpack<=1.0.6
 msgpack-numpy==0.4.8
 numpy<1.27.0
 pandas<2.2.0