diff --git a/modules/services/matrix/default.nix b/modules/services/matrix/default.nix
index 1461b4e..38cc7fe 100644
--- a/modules/services/matrix/default.nix
+++ b/modules/services/matrix/default.nix
@@ -173,6 +173,7 @@ in {
 
     nixpkgs.config.permittedInsecurePackages = [
       "jitsi-meet-1.0.8043"
+      "olm-3.2.16"
     ];
 
     services.matrix-synapse = {