diff --git a/test/Dockerfile.distro b/test/Dockerfile.distro
index 6fad79f402..c085239faf 100644
--- a/test/Dockerfile.distro
+++ b/test/Dockerfile.distro
@@ -242,7 +242,7 @@ RUN install-tool kas 5.2
 # renovate: datasource=pypi
 RUN install-tool pipenv 2026.6.1
 # renovate: datasource=pypi
-RUN install-tool pdm 2.26.8
+RUN install-tool pdm 2.26.9
 # renovate: datasource=pypi
 RUN install-tool poetry 2.3.4
 # renovate: datasource=pypi