diff --git a/package.nix b/package.nix
index 24395b484..6ea5bf9c9 100644
--- a/package.nix
+++ b/package.nix
@@ -5,6 +5,7 @@
 , autoreconfHook
 , aws-sdk-cpp
 , boehmgc
+, buildPackages
 , nlohmann_json
 , bison
 , boost
@@ -207,6 +208,9 @@ in {
     # changelog
     ++ lib.optional (!officialRelease && buildUnreleasedNotes) changelog-d
     ++ lib.optional enableInternalAPIDocs doxygen
+
+    ++ lib.optional stdenv.cc.isClang buildPackages.bear
+    ++ lib.optional (stdenv.cc.isClang && stdenv.hostPlatform == stdenv.buildPlatform) buildPackages.clang-tools
   ;
 
   buildInputs = lib.optionals doBuild [