diff --git a/.gitignore b/.gitignore
index 8ed24d98..c30a4275 100644
--- a/.gitignore
+++ b/.gitignore
@@ -44,6 +44,9 @@ CMakeDoxygenDefaults.cmake
 cmake_install.cmake
 cmake_uninstall.cmake
 
+# clangd cache
+.cache
+
 # Generated files
 docs/Doxyfile
 docs/html