diff --git a/repos.json.lock b/repos.json.lock
index ddac1189e..51ad2efa7 100644
--- a/repos.json.lock
+++ b/repos.json.lock
@@ -1583,8 +1583,8 @@
             "url": "https://github.com/minion3665/nurpkgs"
         },
         "mio": {
-            "rev": "f8f105261c862321d85f795131409e0ce701ddee",
-            "sha256": "0cr3pv0hpj8nj3ij8w1flnp0q5fhyrvakkjwmwnzbmsfqsqgw23c",
+            "rev": "4a090e05558c3d2f21554192e6bb8bbe41c96159",
+            "sha256": "0z84p65cb8792gzwjpx777vr3wsllywdnld77dra1h307ycp8qln",
             "url": "https://github.com/mio-19/nurpkgs"
         },
         "misterio": {