diff --git a/Cargo.toml b/Cargo.toml
index b5c638a..4963f29 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ same-file = "1.0.6"
 unicode-width = "0.1.12"
 
 [dev-dependencies]
-pretty_assertions = "1"
+pretty_assertions = "1.4.0"
 assert_cmd = "2.0.14"
 predicates = "3.1.0"
 tempfile = "3.10.1"