diff --git a/pkgs/development/python-modules/sybil/default.nix b/pkgs/development/python-modules/sybil/default.nix
index ab6d341b2647..568c2dc67801 100644
--- a/pkgs/development/python-modules/sybil/default.nix
+++ b/pkgs/development/python-modules/sybil/default.nix
@@ -7,7 +7,7 @@
 
 buildPythonPackage rec {
   pname = "sybil";
-  version = "4.0.1";
+  version = "5.0.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.6";
@@ -16,7 +16,7 @@ buildPythonPackage rec {
     owner = "simplistix";
     repo = pname;
     rev = "refs/tags/${version}";
-    hash = "sha256-NvgmAFRuiBbyPnJykQlYNyQYALx1bFubMrakw671fDY=";
+    hash = "sha256-FeyamQDm/EqOWrRlxA8iIQniHI5xag+zUVfRGRHmslE=";
   };
 
   # Circular dependency with testfixtures