diff --git a/install/install.ts b/install/install.ts
index 4436a253..399a58ab 100644
--- a/install/install.ts
+++ b/install/install.ts
@@ -361,6 +361,7 @@ ${nixConfBase}`);
 {
     permittedInsecurePackages = [
         "openssl-1.1.1t"
+        "openssl-1.1.1u"
     ];
 }`),
             `nix-env -iA hydro.mongodb${avx2 ? 5 : 4}${CN ? '-cn' : ''} nixpkgs.mongosh nixpkgs.mongodb-tools`,