diff --git a/pkgs/tools/admin/pulumi/update-pulumi-shell.nix b/pkgs/tools/admin/pulumi/update-pulumi-shell.nix
new file mode 100644
index 00000000000..cf69e640550
--- /dev/null
+++ b/pkgs/tools/admin/pulumi/update-pulumi-shell.nix
@@ -0,0 +1,8 @@
+{ nixpkgs ? import ../../../.. { } }:
+with nixpkgs;
+mkShell {
+  packages = [
+    pkgs.gh
+  ];
+}
+
diff --git a/pkgs/tools/admin/pulumi/update.sh b/pkgs/tools/admin/pulumi/update.sh
index fadc64cf1df..1097759c3bd 100755
--- a/pkgs/tools/admin/pulumi/update.sh
+++ b/pkgs/tools/admin/pulumi/update.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env nix-shell
-#!nix-shell -i bash -p gh
+#!nix-shell update-pulumi-shell.nix -i bash
 # shellcheck shell=bash
 # Bash 3 compatible for Darwin