diff --git a/Cargo.toml b/Cargo.toml
index 37a1b74..3f58a29 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@ failure = "0.1"
 
 [dev-dependencies]
 test-generator = "0.2"
-insta = "0.7"
+insta = "0.8"
 serde = { version = "1.0", features = [ "derive" ] }
 serde_json = "1.0"
 criterion = "0.2"