diff --git a/pkgs/data/documentation/stdman/default.nix b/pkgs/data/documentation/stdman/default.nix
index e0f08e6049d4..c09c204c55a2 100644
--- a/pkgs/data/documentation/stdman/default.nix
+++ b/pkgs/data/documentation/stdman/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "stdman";
-  version = "2020.11.17";
+  version = "2021.12.21";
 
   src = fetchFromGitHub {
     owner = "jeaye";
     repo = "stdman";
     rev = version;
-    sha256 = "sha256-pzAVuXSuUfwI7gQpFqmH/+klSUH3KipZup2TgZs8XsY=";
+    sha256 = "sha256-wOMQzC5w8aDmxNxQ5HK8jMgoow1wXBfHGUwFBw2WiPA=";
   };
 
   outputDevdoc = "out";