diff --git a/Cargo.toml b/Cargo.toml
index 4d825fb..cc6b3b2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,7 +33,7 @@ tempfile = "3.10"
 
 [dev-dependencies]
 # testing
-assert2 = "0.3"
+assert2 = "0.3.14"
 pretty_assertions = "1.4"
 test-log = "0.2"
 tokio-test = "0.4"