diff --git a/repos.json.lock b/repos.json.lock
index 5d2d49d39..d79b516d1 100644
--- a/repos.json.lock
+++ b/repos.json.lock
@@ -1533,8 +1533,8 @@
             "url": "https://github.com/minion3665/nurpkgs"
         },
         "mio": {
-            "rev": "04d87fe06203496df030851f4fb43f7b02d54936",
-            "sha256": "1zm6fhn5kf1xhn11ylyrbbcpspdknaq2x9w8fp4f6292hq46rmjv",
+            "rev": "b9bd593fb631f0b5fdc498786d0a108d958ce9b8",
+            "sha256": "1gfv59933xyjxkjv6dwnlsis3qxsd9lh62yk7hamnc7s6dlr4cwp",
             "url": "https://github.com/mio-19/nurpkgs"
         },
         "misterio": {