diff --git a/pkgs/applications/misc/natural-docs/default.nix b/pkgs/applications/misc/natural-docs/default.nix
index 15816b66928..be4bd5f430f 100644
--- a/pkgs/applications/misc/natural-docs/default.nix
+++ b/pkgs/applications/misc/natural-docs/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "natural-docs";
-  version = "2.1.1";
+  version = "2.2";
 
   src = fetchzip {
     url = "https://naturaldocs.org/download/natural_docs/${version}/Natural_Docs_${version}.zip";
-    sha256 = "03fizjgvhiw3lqyykqw1whdh97xyiy3f226c1348ll61ryjxamqw";
+    sha256 = "sha256-W0E9wamzABnPleVhHHXTIdWJk8kWnrUHojM+pcsowy8=";
   };
 
   dontPatch = true;