diff --git a/pkgs/development/tools/ktlint/default.nix b/pkgs/development/tools/ktlint/default.nix
index 8eefc895864b..1718821d2102 100644
--- a/pkgs/development/tools/ktlint/default.nix
+++ b/pkgs/development/tools/ktlint/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "ktlint";
-  version = "0.49.1";
+  version = "0.50.0";
 
   src = fetchurl {
     url = "https://github.com/pinterest/ktlint/releases/download/${version}/ktlint";
-    sha256 = "1k2byxqvgr2xll4jj0ck8w3qdgkvjhwkag18inxjakcl99knygrb";
+    sha256 = "01qh85kclksgv484cwma7jyaxlz8rgk14l4mxcvzp2flprdnzgd2";
   };
 
   nativeBuildInputs = [ makeWrapper ];
@@ -28,5 +28,6 @@ stdenv.mkDerivation rec {
     platforms = jre_headless.meta.platforms;
     changelog = "https://github.com/pinterest/ktlint/blob/master/CHANGELOG.md";
     maintainers = with maintainers; [ tadfisher SubhrajyotiSen ];
+    sourceProvenance = with sourceTypes; [ binaryBytecode ];
   };
 }