diff --git a/pkgs/servers/dict/wiktionary/default.nix b/pkgs/servers/dict/wiktionary/default.nix
index 05df86f3a784..faf87a904831 100644
--- a/pkgs/servers/dict/wiktionary/default.nix
+++ b/pkgs/servers/dict/wiktionary/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "dict-db-wiktionary";
-  version = "20210201";
+  version = "20210901";
 
   src = fetchurl {
     url = "https://dumps.wikimedia.org/enwiktionary/${version}/enwiktionary-${version}-pages-articles.xml.bz2";
-    sha256 = "0dc34cbadsg0f6lhfcyx0np7zjnlg6837piqhlvnn0b45xnzn0cs";
+    sha256 = "S87E0aAFITOTugvsXOmbq8+P/LS2J+GmFvJYeYj79PM=";
   };
 
   # script in nixpkgs does not support python2