diff --git a/shell.nix b/shell.nix
index 43e75410..f56bb51b 100755
--- a/shell.nix
+++ b/shell.nix
@@ -5,6 +5,7 @@
   nativeBuildInputs = [
     pkgs.bacon
     pkgs.cloc
+    pkgs.ctags
     pkgs.freetype
     pkgs.grcov
     pkgs.libclang