diff --git a/hosts/configuration_server.nix b/hosts/configuration_server.nix
index 8c5ab4d..dc233d4 100644
--- a/hosts/configuration_server.nix
+++ b/hosts/configuration_server.nix
@@ -136,6 +136,9 @@
     '';
   };
   nixpkgs.config.allowUnfree = true;        # Allow proprietary software.
+  nixpkgs.config.permittedInsecurePackages = [
+    "olm-3.2.16"
+  ];
 
   system = {                                # NixOS settings
     autoUpgrade = {                         # Allow auto update