diff --git a/pkgs/servers/web-apps/mediawiki/default.nix b/pkgs/servers/web-apps/mediawiki/default.nix
index 81f461cb1026..827d5d79106c 100644
--- a/pkgs/servers/web-apps/mediawiki/default.nix
+++ b/pkgs/servers/web-apps/mediawiki/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "mediawiki";
-  version = "1.38.5";
+  version = "1.38.6";
 
   src = fetchurl {
     url = "https://releases.wikimedia.org/mediawiki/${lib.versions.majorMinor version}/mediawiki-${version}.tar.gz";
-    sha256 = "sha256-YPxh/OzDP/Xaj7aokqtfCCr6yuI07LFj81RzMa+hGSM=";
+    sha256 = "sha256-yNgQvnNn92gE639eETf2ZXKL844Q2fGsnWJ5quXU3Rw=";
   };
 
   postPatch = ''