diff --git a/pkgs/development/python-modules/pyahocorasick/default.nix b/pkgs/development/python-modules/pyahocorasick/default.nix
index ae5cb30a4602..b490f883d4cb 100644
--- a/pkgs/development/python-modules/pyahocorasick/default.nix
+++ b/pkgs/development/python-modules/pyahocorasick/default.nix
@@ -8,7 +8,7 @@
 
 buildPythonPackage rec {
   pname = "pyahocorasick";
-  version = "2.0.0b1";
+  version = "2.0.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -16,8 +16,8 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "WojciechMula";
     repo = pname;
-    rev = version;
-    hash = "sha256-APpL99kOwzIQjePvRDeJ0FDm1kjBi6083JMKuBqtaRk=";
+    rev = "refs/tags/${version}";
+    hash = "sha256-Ugl7gHyubXpxe4aots2e9stLuQAZEWsrlDuAHdSC0SA=";
   };
 
   nativeCheckInputs = [
@@ -36,6 +36,7 @@ buildPythonPackage rec {
       key strings occurrences at once in some input text.
     '';
     homepage = "https://github.com/WojciechMula/pyahocorasick";
+    changelog = "https://github.com/WojciechMula/pyahocorasick/blob/${version}/CHANGELOG.rst";
     license = with licenses; [ bsd3 ];
     maintainers = with maintainers; [ fab ];
   };