diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 72b056faad7a0e79500eac3db6d264bd516f7705..539026c4c931d9e5c8a26a0371adcee44a69a030 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -31,7 +31,7 @@ concurrency:
 env:
   DEFAULT_BRANCH: ${{ github.event.repository.default_branch }}
   NODE_VERSION: 20
-  PDM_VERSION: 2.20.0 # renovate: datasource=pypi depName=pdm
+  PDM_VERSION: 2.20.0.post1 # renovate: datasource=pypi depName=pdm
   DRY_RUN: true
   TEST_LEGACY_DECRYPTION: true
   SPARSE_CHECKOUT: |-