diff --git a/pkgs/servers/sql/postgresql/ext/jsonb_deep_sum.nix b/pkgs/servers/sql/postgresql/ext/jsonb_deep_sum.nix
index f656a4792e38..1951f5a56b72 100644
--- a/pkgs/servers/sql/postgresql/ext/jsonb_deep_sum.nix
+++ b/pkgs/servers/sql/postgresql/ext/jsonb_deep_sum.nix
@@ -7,13 +7,13 @@
 
 postgresqlBuildExtension {
   pname = "jsonb_deep_sum";
-  version = "0-unstable-2021-12-24";
+  version = "0-unstable-2026-06-17";
 
   src = fetchFromGitHub {
     owner = "furstenheim";
     repo = "jsonb_deep_sum";
-    rev = "d9c69aa6b7da860e5522a9426467e67cb787980c";
-    hash = "sha256-W1wNILAwTAjFPezq+grdRMA59KEnMZDz69n9xQUqdc0=";
+    rev = "3f1b4be67e3bc74b7cc4635fc285dc3c602ee420";
+    hash = "sha256-44GApqemY9sLukViGbyTzlI7qHeAGNdMCKZOawPUj8s=";
   };
 
   meta = {