diff --git a/flake.nix b/flake.nix
index 62fd26e..c879ef1 100644
--- a/flake.nix
+++ b/flake.nix
@@ -30,6 +30,10 @@
           inherit system;
 
           config.allowUnfree = true;
+
+          config.permittedInsecurePackages = [
+            "openssl-1.1.1t"
+          ];
         };
 
       wrapUtils = { pkgs, unstablePkgs, system }: