diff --git a/.github/workflows/docker-dev.yml b/.github/workflows/docker-dev.yml
index 5b272f45..250bd76a 100644
--- a/.github/workflows/docker-dev.yml
+++ b/.github/workflows/docker-dev.yml
@@ -31,6 +31,13 @@ jobs:
       - name: Determine prerelease version
         id: bump
         run: |
+          # When running locally with act, skip tag logic and use a dummy version.
+          if [ -n "$ACT" ]; then
+            echo "VERSION=0.0.0-act" >> $GITHUB_OUTPUT
+            echo "SHA=$(git rev-parse HEAD)" >> $GITHUB_OUTPUT
+            exit 0
+          fi
+
           git fetch --tags
 
           # Capture the exact commit we're building so build/merge jobs are pinned to it
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 67448eaa..5782d862 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -45,6 +45,12 @@ jobs:
       - name: Determine bump type and update version
         id: bump
         run: |
+          # When running locally with act, skip tag logic and use a dummy version.
+          if [ -n "$ACT" ]; then
+            echo "VERSION=0.0.0-act" >> $GITHUB_OUTPUT
+            exit 0
+          fi
+
           git fetch --tags
 
           # Derive version from git tags — no package.json dependency