diff --git a/user-modules/development/ide/mathematica.nix b/user-modules/development/ide/mathematica.nix
index e4c2c8f..7ea8e88 100644
--- a/user-modules/development/ide/mathematica.nix
+++ b/user-modules/development/ide/mathematica.nix
@@ -11,7 +11,7 @@ let
 
   my-mathematica = pkgs.mathematica.override {
     # TODO: Just use a generic name for the installer?
-    source = ./Wolfram_14.1.0_LIN_Bndl.sh;
+    # source = ./Wolfram_14.2.1_LIN_Bndl.sh;
   };
 in
 {
diff --git a/user-modules/feishin/default.nix b/user-modules/feishin/default.nix
index c3134f0..eb1bfe9 100644
--- a/user-modules/feishin/default.nix
+++ b/user-modules/feishin/default.nix
@@ -15,5 +15,11 @@ in
   config = mkIf cfg.enable {
     # TODO: Move to audioling
     home.packages = with pkgs; [ feishin ];
+
+    # TODO: Remove exception once no longer required by feishin
+    nixpkgs.config.permittedInsecurePackages = [
+      "electron-33.4.11"
+      "freeimage-3.18.0-unstable-2024-04-18"
+    ];
   };
 }
diff --git a/user-modules/neovim/default.nix b/user-modules/neovim/default.nix
index 4602022..089c855 100644
--- a/user-modules/neovim/default.nix
+++ b/user-modules/neovim/default.nix
@@ -44,7 +44,7 @@ in
         listchars = "tab:»┈«,trail:·,extends:→,precedes:←,nbsp:␣";
       };
 
-      diagnostics = {
+      diagnostic.settings = {
         enable = true;
         signs = true;
         underline = true;