diff --git a/C_Template/.gitignore b/C_Template/.gitignore
index bd461b5..d31c05a 100644
--- a/C_Template/.gitignore
+++ b/C_Template/.gitignore
@@ -1,3 +1,9 @@
+# ClangD
+.cache
+
+# Nix files
+.direnv
+
 # Prerequisites
 *.d
 
@@ -68,6 +74,8 @@ compile_commands.json
 CTestTestfile.cmake
 _deps
 build/
+output/
+
 lib/
 bin/
 *.swp