diff --git a/pkgs/servers/sql/postgresql/ext/plpgsql_check.nix b/pkgs/servers/sql/postgresql/ext/plpgsql_check.nix
index 14078659aeac..d804dc4d1dc3 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 = "2.3.0";
+  version = "2.3.3";
 
   src = fetchFromGitHub {
     owner = "okbob";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-zl7AF+1hj6UFnf9sKO40ZTzm7edKguUYFqaT5/qf8Ic=";
+    hash = "sha256-+ao0J3LpEcyTon4vCRIc5629KpCYMP+xRXNqxZEJYF8=";
   };
 
   buildInputs = [ postgresql ];