diff --git a/pkgs/applications/radio/urh/default.nix b/pkgs/applications/radio/urh/default.nix
index 93836cee281..3dd7a542253 100644
--- a/pkgs/applications/radio/urh/default.nix
+++ b/pkgs/applications/radio/urh/default.nix
@@ -6,13 +6,13 @@
 
 python3Packages.buildPythonApplication rec {
   pname = "urh";
-  version = "2.9.3";
+  version = "2.9.4";
 
   src = fetchFromGitHub {
     owner = "jopohl";
     repo = pname;
-    rev = "v${version}";
-    sha256 = "sha256-TrvyPcpSMACrbKPVOjxHsVsC28LmruiVO/CyCPh0KZ8=";
+    rev = "refs/tags/v${version}";
+    sha256 = "sha256-Hi0VqBtGeaXMsibxbHk+2FN8mzfpmkuDr37JRW4Fp+s=";
   };
 
   nativeBuildInputs = [ qt5.wrapQtAppsHook ];