diff --git a/pkgs/development/python-modules/censys/default.nix b/pkgs/development/python-modules/censys/default.nix
index ee4ced91c6a9..6b0ebf926846 100644
--- a/pkgs/development/python-modules/censys/default.nix
+++ b/pkgs/development/python-modules/censys/default.nix
@@ -17,7 +17,7 @@
 
 buildPythonPackage rec {
   pname = "censys";
-  version = "2.1.8";
+  version = "2.1.9";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
@@ -25,8 +25,8 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "censys";
     repo = "censys-python";
-    rev = "v${version}";
-    hash = "sha256-iPCFflibEqA286j+7Vp4ZQaO9e6Bp+o7A/a7DELJcxA=";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-BB/pLpPK2qh5902bZp9QM3Wiu/l48pzq7HcjaAtM4D0=";
   };
 
   nativeBuildInputs = [