diff --git a/safe-builder/Cargo.toml b/safe-builder/Cargo.toml
index 456842f..6e6f371 100644
--- a/safe-builder/Cargo.toml
+++ b/safe-builder/Cargo.toml
@@ -11,5 +11,5 @@ edition = "2018"
 safe-builder-derive = { version = "*", path = "../safe-builder-derive" }
 
 [dev-dependencies]
-pretty_assertions = "0.6.1"
+pretty_assertions = "1.0.0"
 insta = "0.16"