diff --git a/pkgs/servers/sql/postgresql/ext/pg_ivm.nix b/pkgs/servers/sql/postgresql/ext/pg_ivm.nix
index e8a9a6fc09c1..1d9be6c5955b 100644
--- a/pkgs/servers/sql/postgresql/ext/pg_ivm.nix
+++ b/pkgs/servers/sql/postgresql/ext/pg_ivm.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "pg_ivm";
-  version = "1.5";
+  version = "1.5.1";
 
   src = fetchFromGitHub {
     owner = "sraoss";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-UhKJmYnqkxORb0eVqxbu+yaamZ7ISJTbSwArg76YY/Q=";
+    hash = "sha256-AIH0BKk3y7F885IlC9pEyAubIgNSElpjU8nL6gl98FU=";
   };
 
   buildInputs = [ postgresql ];