diff --git a/build-slides.sh b/build-slides.sh
index 6419836..dfaf746 100755
--- a/build-slides.sh
+++ b/build-slides.sh
@@ -8,7 +8,7 @@ OUTPUT_DIR="$REPO_ROOT/slides"
 SLIDES=()
 while IFS= read -r f; do
   SLIDES+=("$f")
-done < <(grep -rl "^marp: true" "$REPO_ROOT/docs" --include="*.md" 2>/dev/null || true)
+done < <(grep -rl "^marp: true" "$REPO_ROOT/docs" --include="*.md" --exclude-dir=superpowers 2>/dev/null || true)
 
 if [ ${#SLIDES[@]} -eq 0 ]; then
   echo "No marp presentations found in docs/."