diff --git a/pkgs/development/tools/pnpm/default.nix b/pkgs/development/tools/pnpm/default.nix
index 6fa26bc1c2c1..5a8d6e5769c3 100644
--- a/pkgs/development/tools/pnpm/default.nix
+++ b/pkgs/development/tools/pnpm/default.nix
@@ -12,8 +12,8 @@ let
       hash = "sha256-2qJ6C1QbxjUyP/lsLe2ZVGf/n+bWn/ZwIVWKqa2dzDY=";
     };
     "9" = {
-      version = "9.15.7";
-      hash = "sha256-HBjZi6W/BzT8fij2yPG0OxvNhmd33s3igdFIWTkGA/w=";
+      version = "9.15.9";
+      hash = "sha256-z4anrXZEBjldQoam0J1zBxFyCsxtk+nc6ax6xNxKKKc=";
     };
     "10" = {
       version = "10.6.3";