diff --git a/pkgs/servers/sql/postgresql/ext/plpgsql_check.nix b/pkgs/servers/sql/postgresql/ext/plpgsql_check.nix
index a37556436e74..83acc0804eee 100644
--- a/pkgs/servers/sql/postgresql/ext/plpgsql_check.nix
+++ b/pkgs/servers/sql/postgresql/ext/plpgsql_check.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "plpgsql_check";
-  version = "2.5.3";
+  version = "2.5.4";
 
   src = fetchFromGitHub {
     owner = "okbob";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-IR1x1duROt3IHYQx8CYXqUxTmFgB1sbia93k3oBfEkw=";
+    hash = "sha256-fahL+8aq4rUGYgEq6ri5wzVprDqvMmZCNkxwKtcPO68=";
   };
 
   buildInputs = [ postgresql ];