diff --git a/.gitignore b/.gitignore
index 401a7ac1c7c..1c3acce61b2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,4 +29,9 @@ extern/ttmath/release/
 /src/include/gen/autoconfig.auto
 /src/include/gen/autoconfig.h
 /vcpkg_installed/
-.idea/
\ No newline at end of file
+.idea/
+
+# clangd index and background cache
+/.cache/clangd
+# Compilation database generated for clangd
+/compile_commands.json