diff --git a/pkgs/servers/sql/postgresql/ext/system_stats.nix b/pkgs/servers/sql/postgresql/ext/system_stats.nix
index 636b87b28e92..5d6a34ebf4ab 100644
--- a/pkgs/servers/sql/postgresql/ext/system_stats.nix
+++ b/pkgs/servers/sql/postgresql/ext/system_stats.nix
@@ -6,13 +6,13 @@
 }:
 postgresqlBuildExtension (finalAttrs: {
   pname = "system_stats";
-  version = "3.2.1";
+  version = "4.0";
 
   src = fetchFromGitHub {
     owner = "EnterpriseDB";
     repo = "system_stats";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-VuSWpBqd8HeHEqfOcx8gNuCLtVWOkG7FJ8XM8Mp54ls=";
+    hash = "sha256-+DHfhLBoYdWBvXZVcvnWlNwceTNsQ/irEdgnklv5onA=";
   };
 
   buildFlags = [ "PG_CFLAGS=-Wno-error=vla" ];