diff --git a/update-gitops-status.sh b/update-gitops-status.sh
index 2ba469f..8a00434 100644
--- a/update-gitops-status.sh
+++ b/update-gitops-status.sh
@@ -74,20 +74,20 @@ if [ "$MODE" = "post-deploy" ]; then
   if command -v git >/dev/null 2>&1 && [ -d .git ]; then
     # Try multiple methods to detect changed files (Woodpecker might do shallow clone)
     
-    # Method 1: Use git diff to see actual file changes (most accurate)
-    CHANGED_FILE_PATHS=$(git diff --name-only HEAD~1 HEAD -- files/ 2>/dev/null || echo "")
-    
-    # Method 2: If method 1 fails (no parent commit), use git show
-    if [ -z "$CHANGED_FILE_PATHS" ]; then
+    # Method 1: Use Woodpecker CI environment variables (most reliable in CI)
+    if [ -n "${CI_PREV_COMMIT_SHA:-}" ] && [ -n "${CI_COMMIT_SHA:-}" ]; then
+      echo "  DEBUG: Using Woodpecker commit range: ${CI_PREV_COMMIT_SHA}..${CI_COMMIT_SHA}"
+      CHANGED_FILE_PATHS=$(git diff --name-only "${CI_PREV_COMMIT_SHA}" "${CI_COMMIT_SHA}" -- files/ 2>/dev/null || echo "")
+    # Method 2: Use git diff with HEAD~1
+    elif git rev-parse HEAD~1 >/dev/null 2>&1; then
+      echo "  DEBUG: Using git diff HEAD~1..HEAD"
+      CHANGED_FILE_PATHS=$(git diff --name-only HEAD~1 HEAD -- files/ 2>/dev/null || echo "")
+    # Method 3: Use git show (less accurate - shows all files in commit)
+    else
+      echo "  DEBUG: Using git show HEAD (may show all files in commit)"
       CHANGED_FILE_PATHS=$(git show --name-only --pretty="" HEAD -- files/ 2>/dev/null || echo "")
     fi
     
-    # Method 3: If still nothing, check Woodpecker CI environment variables
-    if [ -z "$CHANGED_FILE_PATHS" ] && [ -n "${CI_COMMIT_CHANGED_FILES:-}" ]; then
-      # Filter CI_COMMIT_CHANGED_FILES to only files/ directory
-      CHANGED_FILE_PATHS=$(echo "$CI_COMMIT_CHANGED_FILES" | tr ' ' '\n' | grep '^files/' || echo "")
-    fi
-    
     echo "  DEBUG: Git detection method results: '$CHANGED_FILE_PATHS'"
     
     if [ -n "$CHANGED_FILE_PATHS" ]; then