diff --git a/pkgs/servers/sql/postgresql/ext/pgroonga.nix b/pkgs/servers/sql/postgresql/ext/pgroonga.nix
index 15a220670008..866dd8021d0a 100644
--- a/pkgs/servers/sql/postgresql/ext/pgroonga.nix
+++ b/pkgs/servers/sql/postgresql/ext/pgroonga.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "pgroonga";
-  version = "2.2.1";
+  version = "2.2.2";
 
   src = fetchurl {
     url = "https://packages.groonga.org/source/${pname}/${pname}-${version}.tar.gz";
-    sha256 = "0d913rkxx6qlkav6z9crsz3ypqkdffn4c667nsgzh5s9n4wbbpb8";
+    sha256 = "0pdz2lpi7g1n9b5rg6kwhh6fr0bwf06zr642brmh53n6mp41186m";
   };
 
   nativeBuildInputs = [ pkgconfig ];