diff --git a/repos.json.lock b/repos.json.lock
index fc50d4938..3ad49a85a 100644
--- a/repos.json.lock
+++ b/repos.json.lock
@@ -1533,8 +1533,8 @@
             "url": "https://github.com/minion3665/nurpkgs"
         },
         "mio": {
-            "rev": "62043685f45f8a34d9e4315ea3bea0393af05b53",
-            "sha256": "0j6z3sgdy8v1zcdwjy8zz2dvxkrh2jvbys9c6m94blhzdg4qq9rn",
+            "rev": "4c84698cfde0b8e64426ba666f11f7f3fa63c654",
+            "sha256": "15pzg784am1crmc4pnysm1kw7ng88bppk98viss5niba8h1kz2np",
             "url": "https://github.com/mio-19/nurpkgs"
         },
         "misterio": {