diff --git a/Cargo.toml b/Cargo.toml
index 8af15a7..55f57c7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -60,7 +60,7 @@ version = "1.0"
 features = ["derive"]
 
 [dev-dependencies.structopt]
-version = "0.3.20"
+version = "0.3"
 
 [features]
 default = ["timestamps"]