diff --git a/Cargo.toml b/Cargo.toml
index 9357b7de..848b89c5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,7 +26,7 @@ path = "tests/tests.rs"
 
 [dependencies]
 bytecount = "0.1.4"
-clap = "2.18"
+clap = "~2.18.0"
 ctrlc = "2.0"
 env_logger = "0.3"
 grep = { version = "0.1.4", path = "grep" }