Index: tokio-uring/Cargo.toml
===================================================================
--- tokio-uring.orig/Cargo.toml
+++ tokio-uring/Cargo.toml
@@ -76,7 +76,7 @@ version = "0.5"
 version = "0.1.1"
 
 [dev-dependencies.nix]
-version = "0.26.1"
+version = ">= 0.26.1, < 0.31"
 
 [dev-dependencies.tempfile]
 version = "3.2.0"