diff --git a/repos.json.lock b/repos.json.lock
index 561d27a17..432cba45d 100644
--- a/repos.json.lock
+++ b/repos.json.lock
@@ -1498,8 +1498,8 @@
             "url": "https://github.com/minion3665/nurpkgs"
         },
         "mio": {
-            "rev": "fe93cf79133e91585094d072c6144fbeea9a79f8",
-            "sha256": "1kqc7smczgzixsbl96si5xqi6vgc83bplgs0wcyygqg0jg2h7h9g",
+            "rev": "238c3808c7756192edda02aa14629550bbdf6dc9",
+            "sha256": "031h85nw95iravc89nppdb0phkq02a4a2ckvgi9rzcwaldmgac2v",
             "url": "https://github.com/mio-19/nurpkgs"
         },
         "misterio": {