diff --git a/pkgs/servers/sql/postgresql/ext/pgroonga.nix b/pkgs/servers/sql/postgresql/ext/pgroonga.nix
index 18901547e1c3..6ea65c6a5ccd 100644
--- a/pkgs/servers/sql/postgresql/ext/pgroonga.nix
+++ b/pkgs/servers/sql/postgresql/ext/pgroonga.nix
@@ -12,13 +12,13 @@
 
 buildPostgresqlExtension rec {
   pname = "pgroonga";
-  version = "4.0.0";
+  version = "4.0.1";
 
   src = fetchFromGitHub {
     owner = "pgroonga";
     repo = "pgroonga";
     rev = "${version}";
-    hash = "sha256-9rDb7rNd/HpvdQ/lMQGCr1Hq/4TBBo9HaA2b0zmC9QY=";
+    hash = "sha256-a5nNtlUiFBuuqWAjIN0gU/FaoV3VpJh+/fab8R/77dw=";
   };
 
   nativeBuildInputs = [ pkg-config ];