diff --git a/pkgs/development/python-modules/pysnmp-pyasn1/default.nix b/pkgs/development/python-modules/pysnmp-pyasn1/default.nix
index 5da547e5ebfa..d962615e7adb 100644
--- a/pkgs/development/python-modules/pysnmp-pyasn1/default.nix
+++ b/pkgs/development/python-modules/pysnmp-pyasn1/default.nix
@@ -8,7 +8,7 @@
 
 buildPythonPackage rec {
   pname = "pysnmp-pyasn1";
-  version = "1.1.2";
+  version = "1.1.3";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
@@ -16,8 +16,8 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "pysnmp";
     repo = "pyasn1";
-    rev = "v${version}";
-    hash = "sha256-R4reMwVcJBTfTEHUk6sSUugsEPuKIziH1WbjMakP/dA=";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-W74aWMqGlat+aZfhbP1cTKRz7SomHdGwfK5yJwxgyqI=";
   };
 
   nativeBuildInputs = [
@@ -35,6 +35,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Python ASN.1 encoder and decoder";
     homepage = "https://github.com/pysnmp/pyasn1";
+    changelog = "https://github.com/pysnmp/pyasn1/releases/tag/v${version}";
     license = licenses.bsd2;
     maintainers = with maintainers; [ fab ];
   };