diff --git a/install.sh b/install.sh
index c8c3c46..b34e28d 100755
--- a/install.sh
+++ b/install.sh
@@ -34,6 +34,23 @@ else
     echo "  git subtree add --prefix .claude/llm-functions https://github.com/sigoden/llm-functions.git main --squash"
 fi
 
+echo ""
+echo "=== Mise à jour du .gitignore projet ==="
+GITIGNORE="$PROJECT_DIR/.gitignore"
+entries=(
+    ".claude/venv/"
+    ".claude/logs/"
+    ".claude/llm-functions/bin/"
+    ".claude/llm-functions/cache/"
+)
+for entry in "${entries[@]}"; do
+    if ! grep -qxF "$entry" "$GITIGNORE" 2>/dev/null; then
+        echo "$entry" >> "$GITIGNORE"
+        echo "  ajouté : $entry"
+    fi
+done
+echo "OK"
+
 echo ""
 echo "=== Hooks exécutables ==="
 chmod +x "$CLAUDE_DIR/hooks/"*.sh