diff --git a/postgresql-groonga/postgresql-groonga.spec b/postgresql-groonga/postgresql-groonga.spec
index dbd7bad95d..fe886ac416 100644
--- a/postgresql-groonga/postgresql-groonga.spec
+++ b/postgresql-groonga/postgresql-groonga.spec
@@ -22,8 +22,8 @@
 ##
 
 #   package version
-%define       V_pgroonga_base 2.3.3
-%define       V_pgroonga_snap 20211105
+%define       V_pgroonga_base 2.3.4
+%define       V_pgroonga_snap 20211110
 
 #   package information
 Name:         postgresql-groonga
@@ -36,7 +36,7 @@ Class:        EVAL
 Group:        Database
 License:      PostgreSQL
 Version:      %{V_pgroonga_base}.%{V_pgroonga_snap}
-Release:      20211105
+Release:      20211110
 
 #   list of sources
 Source0:      http://download.openpkg.org/components/versioned/pgroonga/pgroonga-%{V_pgroonga_snap}.tar.xz