diff --git a/requirements.txt b/requirements.txt
index bb7a8537..3ac79ab4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 cruft==2.15.0
 mex-release @ git+https://github.com/robert-koch-institut/mex-release.git
-pdm==2.19.3
+pdm==2.20.0.post1
 pre-commit==4.0.1
 wheel==0.44.0