diff --git a/Cargo.toml b/Cargo.toml
index e6f53ff..5dfece4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,4 +37,4 @@ default = ["exe"]
 exe = ["clap"]
 
 [dev-dependencies]
-assert_cmd = "1.0.0"
+assert_cmd = "2.0.10"