diff --git a/pkgs/applications/misc/heimer/default.nix b/pkgs/applications/misc/heimer/default.nix
index ef7ca1050bc0..28f8f4fdff44 100644
--- a/pkgs/applications/misc/heimer/default.nix
+++ b/pkgs/applications/misc/heimer/default.nix
@@ -8,13 +8,13 @@
 
 mkDerivation rec {
   pname = "heimer";
-  version = "4.1.0";
+  version = "4.2.0";
 
   src = fetchFromGitHub {
     owner = "juzzlin";
     repo = pname;
     rev = version;
-    hash = "sha256-cq8rRz1mfDPzTRVG++vccI2YewSKQqd1RAJbgB3TS5E=";
+    hash = "sha256-Z94e+4WwabHncBr4Gsv0AkZHyrbFCCIpumGbANHX6dU=";
   };
 
   nativeBuildInputs = [