diff --git a/pkgs/servers/search/groonga/default.nix b/pkgs/servers/search/groonga/default.nix
index b86077a53f5..3e76cd163c8 100644
--- a/pkgs/servers/search/groonga/default.nix
+++ b/pkgs/servers/search/groonga/default.nix
@@ -7,11 +7,11 @@
 stdenv.mkDerivation rec {
 
   name    = "groonga-${version}";
-  version = "8.1.0";
+  version = "8.1.1";
 
   src = fetchurl {
     url    = "https://packages.groonga.org/source/groonga/${name}.tar.gz";
-    sha256 = "1qwrzw0rvzkkmpgbk0rd5slj6h7jj53f0g685f5gwhg2dpxk52br";
+    sha256 = "0laijnx05xc90jjmza4kq2h8pxn3lgsmn2fgn3zl66fy4fxm1fy4";
   };
 
   buildInputs = with stdenv.lib;