diff --git a/Cargo.toml b/Cargo.toml
index 66ba6c0..1557485 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -32,7 +32,7 @@ skeptic = { git = 'https://github.com/andygauge/rust-skeptic'}
 assert_cmd = "1"
 escargot = "0.5"
 skeptic = { git = 'https://github.com/andygauge/rust-skeptic'}
-predicates = "1"
+predicates = "2"
 structopt = "0.3"
 
 [[example]]