diff --git a/.github/workflows/update.yaml b/.github/workflows/update.yaml
index 87a1667..39a0aa7 100644
--- a/.github/workflows/update.yaml
+++ b/.github/workflows/update.yaml
@@ -11,13 +11,15 @@ jobs:
     - name: Checkout current
       uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       with:
-        fetch-depth: ${{github.event_name == 'pull_request' && 2 || 0}}
+        # See https://stackoverflow.com/a/74268200 -- the PR branch has a single
+        # commit merging the two branches, so we need the last 2 commits.
+        fetch-depth: 2
 
     - name: Checkout comparison branch (main) in subdirectory
       uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       with:
-        # Checkout the comparison branch (main) into a subdirectory
-        ref: main
+        # Checkout the comparison branch into a subdirectory
+        ref: ${{ github.event.pull_request.head.sha }}
         path: before_files
 
     - name: Set up Go
@@ -30,25 +32,14 @@ jobs:
         # Fail the script if any command fails
         set -e
 
-        git branch -a
-        # Determine the current branch and compare branch (default to 'main')
-        GITHUB_BRANCH=remotes/${GITHUB_REF#*/}
-        COMPARE_BRANCH="main"
-
-        git log
-
         # Show changed files between the current branch and the comparison branch
         # See https://stackoverflow.com/a/74268200 for why diffing with HEAD^1 is used
-        echo "Comparing $GITHUB_BRANCH (from '$GITHUB_REF') with $COMPARE_BRANCH..."
         CHANGED_FILES=$(git diff --name-only -r HEAD^1 HEAD)
-        echo $CHANGED_FILES
-        echo ----
-        git diff --name-only "$COMPARE_BRANCH" "$GITHUB_BRANCH"
 
         if [ -z "$CHANGED_FILES" ]; then
           echo "No changes found."
         else
-          echo "Files changed in branch $GITHUB_BRANCH (compared to $COMPARE_BRANCH):"
+          echo "Files changed in branch $GITHUB_REF (compared to base):"
           echo "$CHANGED_FILES"
 
           # Set the output to be used in later GitHub Action steps
@@ -60,7 +51,7 @@ jobs:
         # Fail the script if any command fails
         set -e
 
-        go build -o ./mindev github.com/mindersec/minder/cmd/dev@latest
+        go install github.com/mindersec/minder/cmd/dev@latest
         
         # Loop through the changed files and run the go command for each
         for FILE in ${{ env.changed_files }}; do
@@ -73,7 +64,7 @@ jobs:
           if [ -f "$BEFORE_FILE" ]; then
             echo "Running ruletype validate-update command for $BEFORE_FILE and $AFTER_FILE..."
             # Run the go command with the before and after files
-            ./mindev ruletype validate-update --before "$BEFORE_FILE" --after "$AFTER_FILE"
+            dev ruletype validate-update --before "$BEFORE_FILE" --after "$AFTER_FILE"
           else
             echo "Warning: $BEFORE_FILE does not exist, skipping."
           fi