diff --git a/CHANGELOG.md b/CHANGELOG.md
index 201e159..652b018 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## [0.9.0]
+    - Use working-directory when evaluating version of main branch
+
 ## [0.8.0]
     - Better evaluate version of main branch
 
diff --git a/VERSION b/VERSION
index 8adc70f..899f24f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.8.0
\ No newline at end of file
+0.9.0
\ No newline at end of file
diff --git a/actions/npm/validate-pr-version/action.yml b/actions/npm/validate-pr-version/action.yml
index 87a2910..8df11d1 100644
--- a/actions/npm/validate-pr-version/action.yml
+++ b/actions/npm/validate-pr-version/action.yml
@@ -30,8 +30,8 @@ runs:
         fi
 
         BASE_BRANCH="${{ github.event.pull_request.base.ref }}"
-
-        MAIN_VERSION=$(git show "$BASE_BRANCH:$PACKAGE_JSON" | jq -r '.version')
+        WORKDIR="${{ inputs.working-directory }}"
+        MAIN_VERSION=$(git show "origin/$BASE_BRANCH:$WORKDIR/$PACKAGE_JSON" | jq -r '.version')
         PR_VERSION=$(jq -r '.version' "$PACKAGE_JSON")
 
         echo "Main version: $MAIN_VERSION"