diff --git a/pkgs/servers/sql/postgresql/ext/pgroonga.nix b/pkgs/servers/sql/postgresql/ext/pgroonga.nix
index b8396f67478..7dc70ee976c 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 = "2.2.0";
+  version = "2.2.1";
 
   src = fetchurl {
     url = "https://packages.groonga.org/source/${pname}/${pname}-${version}.tar.gz";
-    sha256 = "1cankcprikx8nf72yg4h8542gqqlfgww6d63kg7l8l8sz962d28b";
+    sha256 = "0d913rkxx6qlkav6z9crsz3ypqkdffn4c667nsgzh5s9n4wbbpb8";
   };
 
   nativeBuildInputs = [ pkgconfig ];