diff --git a/pkgs/servers/xmpp/prosody/default.nix b/pkgs/servers/xmpp/prosody/default.nix
index c9cd09bb748..9b7ed2ac41d 100644
--- a/pkgs/servers/xmpp/prosody/default.nix
+++ b/pkgs/servers/xmpp/prosody/default.nix
@@ -59,6 +59,10 @@ stdenv.mkDerivation rec {
     "--with-lua=${lua5}"
   ];
 
+  postBuild = ''
+    make -C tools/migration
+  '';
+
   postInstall = ''
       ${concatMapStringsSep "\n" (module: ''
         cp -r $communityModules/mod_${module} $out/lib/prosody/modules/
@@ -70,6 +74,11 @@ stdenv.mkDerivation rec {
         --add-flags '--config "/etc/prosody/prosody.cfg.lua"' \
         --prefix LUA_PATH ';' "$LUA_PATH" \
         --prefix LUA_CPATH ';' "$LUA_CPATH"
+
+      make -C tools/migration install
+      wrapProgram $out/bin/prosody-migrator \
+        --prefix LUA_PATH ';' "$LUA_PATH" \
+        --prefix LUA_CPATH ';' "$LUA_CPATH"
     '';
 
   passthru = {