diff --git a/pkgs/development/python-modules/shlib/default.nix b/pkgs/development/python-modules/shlib/default.nix
index 1b7c3b9b8fe..03c94140a54 100644
--- a/pkgs/development/python-modules/shlib/default.nix
+++ b/pkgs/development/python-modules/shlib/default.nix
@@ -8,13 +8,13 @@
 
 buildPythonPackage rec {
   pname = "shlib";
-  version = "1.5";
+  version = "1.6";
 
   src = fetchFromGitHub {
     owner = "KenKundert";
     repo = "shlib";
-    rev = "v${version}";
-    hash = "sha256-2fwRxa64QXKJuhYwt9Z4BxhTeq1iwbd/IznfxPUjeSM=";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-f2jJgpjybutCpYnIT+RihtoA1YlXdhTs+MvV8bViSMQ=";
   };
 
   pythonImportsCheck = [ "shlib" ];