diff --git a/hosts/yodaTab/configuration.nix b/hosts/yodaTab/configuration.nix
index 36f4ef8..89ce8b1 100644
--- a/hosts/yodaTab/configuration.nix
+++ b/hosts/yodaTab/configuration.nix
@@ -29,7 +29,7 @@
       ../../modules/nextcloud-integration.nix
       ../../modules/signal-desktop.nix
       ../../modules/element-desktop.nix
-      ../../modules/joplin-desktop.nix
+      ../../modules/obsidian.nix
       ../../modules/firefox.nix
       ../../modules/thunderbird.nix
       ../../modules/tor-browser.nix
diff --git a/hosts/yodaTux/configuration.nix b/hosts/yodaTux/configuration.nix
index 8b23fd0..f2a8210 100644
--- a/hosts/yodaTux/configuration.nix
+++ b/hosts/yodaTux/configuration.nix
@@ -29,6 +29,7 @@
       ../../modules/signal-desktop.nix
       ../../modules/element-desktop.nix
       ../../modules/joplin-desktop.nix
+      ../../modules/obsidian.nix
       ../../modules/firefox.nix
       ../../modules/thunderbird.nix
       ../../modules/tor-browser.nix
diff --git a/modules/obsidian.nix b/modules/obsidian.nix
new file mode 100644
index 0000000..4f17a4c
--- /dev/null
+++ b/modules/obsidian.nix
@@ -0,0 +1,17 @@
+{ config, pkgs, lib, ... }:
+{
+  nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+    "obsidian"
+  ];
+
+  # TODO: Disallow insecure Electron version electron-24.8.6.
+  nixpkgs.config.permittedInsecurePackages = [
+    "electron-24.8.6"
+  ];
+
+  users.users.yoda = {
+    packages = with pkgs; [
+      obsidian # Markdown notes
+    ];
+  };
+}