diff --git a/lib/galaxy/dependencies/conditional-requirements.txt b/lib/galaxy/dependencies/conditional-requirements.txt
index 1bea9abfe5a..4d6eccc5400 100644
--- a/lib/galaxy/dependencies/conditional-requirements.txt
+++ b/lib/galaxy/dependencies/conditional-requirements.txt
@@ -35,7 +35,7 @@ custos-sdk
 chronos-python==1.2.1
 
 # Kubernetes job runner
-pykube-ng==23.6.0
+pykube-ng==21.3.0
 
 # Synnefo / Pithos+ object store client
 kamaki