diff --git a/pkgs/development/python-modules/pymumble/default.nix b/pkgs/development/python-modules/pymumble/default.nix
index 558d5c6bd9e5..cea692d852a0 100644
--- a/pkgs/development/python-modules/pymumble/default.nix
+++ b/pkgs/development/python-modules/pymumble/default.nix
@@ -10,14 +10,14 @@
 
 buildPythonPackage rec {
   pname = "pymumble";
-  version = "1.6.1";
+  version = "1.7";
   disabled = isPy27;
 
   src = fetchFromGitHub {
     owner = "azlux";
     repo = "pymumble";
-    rev = version;
-    sha256 = "1qbsd2zvwd9ksclgiyrl1z79ms0zximm4527mnmhvq36lykgki7s";
+    rev = "refs/tags/${version}";
+    sha256 = "sha256-NMp1yZ+R9vmne7old7z9UvcxSi6C044g68ZQsofT0gA=";
   };
 
   postPatch = ''