diff --git a/pkgs/development/interpreters/rakudo/zef.nix b/pkgs/development/interpreters/rakudo/zef.nix
index 4b0d0388466c..fc7e541ceff6 100644
--- a/pkgs/development/interpreters/rakudo/zef.nix
+++ b/pkgs/development/interpreters/rakudo/zef.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "zef";
-  version = "0.19.1";
+  version = "0.20.0";
 
   src = fetchFromGitHub {
     owner = "ugexe";
     repo = "zef";
     rev = "v${version}";
-    sha256 = "sha256-tA3BH8YlOHCcbYht2mnZr05vtUfeHn6LGB5Hrylbrpw=";
+    sha256 = "sha256-IWOgbKYaWKjC2+dc2P3THAVy23F3iQXh2D6od/0e0Jw=";
   };
 
   nativeBuildInputs = [ makeWrapper ];