diff --git a/.github/workflows/mkosi.yml b/.github/workflows/mkosi.yml
index 2effc434c6d..381db9a0481 100644
--- a/.github/workflows/mkosi.yml
+++ b/.github/workflows/mkosi.yml
@@ -105,7 +105,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
-      - uses: systemd/mkosi@3454f7bd4ef0336ec80a117d593baaef0fe53398
+      - uses: systemd/mkosi@2a35f9958bc6b82d95d1eac02dc245e9bb068765
 
       # Freeing up disk space with rm -rf can take multiple minutes. Since we don't need the extra free space
       # immediately, we remove the files in the background. However, we first move them to a different location
diff --git a/mkosi.conf b/mkosi.conf
index 980147f7600..3e33410c71f 100644
--- a/mkosi.conf
+++ b/mkosi.conf
@@ -29,6 +29,10 @@ OutputDirectory=build/mkosi.output
 BuildDirectory=build/mkosi.builddir
 CacheDirectory=build/mkosi.cache
 
+# TODO: Remove when TEST-70-TPM doesn't fail in an image with signed PCRs anymore.
+[Validation]
+SignExpectedPcr=no
+
 [Content]
 BuildSourcesEphemeral=yes