diff --git a/pkgs/servers/xmpp/ejabberd/default.nix b/pkgs/servers/xmpp/ejabberd/default.nix
index 69b55a6f3c29..25b4e8f69359 100644
--- a/pkgs/servers/xmpp/ejabberd/default.nix
+++ b/pkgs/servers/xmpp/ejabberd/default.nix
@@ -24,12 +24,12 @@ let
   ctlpath = lib.makeBinPath [ bash gnused gnugrep coreutils util-linux procps ];
 
 in stdenv.mkDerivation rec {
-  version = "20.12";
+  version = "21.04";
   pname = "ejabberd";
 
   src = fetchurl {
     url = "https://www.process-one.net/downloads/downloads-action.php?file=/${version}/${pname}-${version}.tgz";
-    sha256 = "sha256-nZxdYXRyv4UejPLHNT/p6CrvW22Koo7rZSi96KRjqFQ=";
+    sha256 = "09s8mj0dkvp9mxazsqxqqmnl5n2xyi8avx0rzgvqrbl3byanzfzr";
   };
 
   nativeBuildInputs = [ fakegit makeWrapper ];
@@ -76,7 +76,7 @@ in stdenv.mkDerivation rec {
 
     outputHashMode = "recursive";
     outputHashAlgo = "sha256";
-    outputHash = "sha256-0/hBgA+9rsDOBcvbROSpc5Xnw4JkYpuLCl2V+lJnieY=";
+    outputHash = "1mvixgb46ss35abjwz3lw38c69bii1xyj557a92bvrxc1gc6gx31";
   };
 
   configureFlags =