diff --git a/repos.json.lock b/repos.json.lock
index 764be77a5..767e93c33 100644
--- a/repos.json.lock
+++ b/repos.json.lock
@@ -1523,8 +1523,8 @@
             "url": "https://github.com/minion3665/nurpkgs"
         },
         "mio": {
-            "rev": "d259ed3c8e7cb4c6050159cc29f7d78c6977cd49",
-            "sha256": "1mp7j3i7irj0vh4q61j9wsi112pg8kv0jiafvr058g1aq1xafc6m",
+            "rev": "a4b35012e23e7d9fe846bdc29c2cd383801ff009",
+            "sha256": "08jlvj1vlrqng0kp8d6hvvhricbkcg95pmv2pqfgq1051z7r5jg5",
             "url": "https://github.com/mio-19/nurpkgs"
         },
         "misterio": {