diff --git a/Cargo.toml b/Cargo.toml
index 41bf345..5f5b258 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ nom = "6.0"
 pretty-hex = "0.2"
 
 [dev-dependencies]
-simplelog = "0.8"
+simplelog = "0.9"
 
 [[example]]
 name = "counter"