diff --git a/pkgs/applications/misc/heimer/default.nix b/pkgs/applications/misc/heimer/default.nix
index 970ddf7660be..c59a08c04d4a 100644
--- a/pkgs/applications/misc/heimer/default.nix
+++ b/pkgs/applications/misc/heimer/default.nix
@@ -8,13 +8,13 @@
 
 mkDerivation rec {
   pname = "heimer";
-  version = "3.7.0";
+  version = "4.0.0";
 
   src = fetchFromGitHub {
     owner = "juzzlin";
     repo = pname;
     rev = version;
-    hash = "sha256-tcA7+3gp/CFpapCL4yt3xG12sm+LcnRIoB/caJlKF8A=";
+    hash = "sha256-sp3iy28Bc+gOvivHA8OPG8vf7otjeaPk6Iy4BhT/SaU=";
   };
 
   nativeBuildInputs = [