diff --git a/docker/openproblems/requirements.txt b/docker/openproblems/requirements.txt
index 159784bf36..8c70631fc1 100644
--- a/docker/openproblems/requirements.txt
+++ b/docker/openproblems/requirements.txt
@@ -1,5 +1,5 @@
 boto3==1.24.*
-cmake==3.24.*
+cmake==3.22.*  # pinned in #607
 jupyter==1.0.*
 pip
 sagemaker==2.110.*