diff --git a/.gitignore b/.gitignore
index e7ca1a1..e45201d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@ build/CTestTestfile.cmake
 build/Makefile
 build/cmake_install.cmake
 build/compile_commands.json
+.cache/clangd/index