diff --git a/systems/x86_64-linux/gospel/default.nix b/systems/x86_64-linux/gospel/default.nix
index bc8ffb3..41cc871 100644
--- a/systems/x86_64-linux/gospel/default.nix
+++ b/systems/x86_64-linux/gospel/default.nix
@@ -63,6 +63,13 @@
     system.monitoring.enable = true;
   };
 
+  services.udev.extraRules = ''
+    # CMSIS-DAP for microbit
+    ACTION!="add|change", GOTO="microbit_rules_end"
+    SUBSYSTEM=="usb", ATTR{idVendor}=="0d28", ATTR{idProduct}=="0204", TAG+="uaccess"
+    LABEL="microbit_rules_end"
+  '';
+
   services.gitea-actions-runner.instances = {
     gospel = {
       enable = true;