diff --git a/pkgs/development/tools/scalafmt/default.nix b/pkgs/development/tools/scalafmt/default.nix
index 6a442424c4f7..562bd1138dfc 100644
--- a/pkgs/development/tools/scalafmt/default.nix
+++ b/pkgs/development/tools/scalafmt/default.nix
@@ -1,8 +1,8 @@
-{ lib, stdenv, jdk, jre, coursier, makeWrapper }:
+{ lib, stdenv, jre, coursier, makeWrapper, setJavaClassPath }:
 
 let
   baseName = "scalafmt";
-  version = "3.4.3";
+  version = "3.5.2";
   deps = stdenv.mkDerivation {
     name = "${baseName}-deps-${version}";
     buildCommand = ''
@@ -12,16 +12,15 @@ let
       cp $(< deps) $out/share/java/
     '';
     outputHashMode = "recursive";
-    outputHashAlgo = "sha256";
-    outputHash     = "FWGvhKK/VnvetnHS35/z1errYTRZCrcfWyEAHlhKApk=";
+    outputHash     = "sha256-1QP5a0QjYUDU3JzrIX2rM/DclRfU/ACSXVLd6C7uFCo=";
   };
 in
 stdenv.mkDerivation {
   pname = baseName;
   inherit version;
 
-  nativeBuildInputs = [ makeWrapper ];
-  buildInputs = [ jdk deps ];
+  nativeBuildInputs = [ makeWrapper setJavaClassPath ];
+  buildInputs = [ deps ];
 
   dontUnpack = true;