diff --git a/pkgs/servers/sql/postgresql/ext/plpgsql_check.nix b/pkgs/servers/sql/postgresql/ext/plpgsql_check.nix
index b95ef73308db..665cb1dc0693 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 = "1.13.1";
+  version = "1.15.1";
 
   src = fetchFromGitHub {
     owner = "okbob";
     repo = pname;
     rev = "v${version}";
-    sha256 = "19vcvfhxh0922qgibahmkyf7czniycqbzccxdw65j1ia7fd8yyc3";
+    sha256 = "0rjbzcdvwx19ql0ilccr47inilf7kh5hn7aacjqs1nxk91g3x7yf";
   };
 
   buildInputs = [ postgresql ];