diff --git a/crates/testkit/Cargo.toml b/crates/testkit/Cargo.toml
index 1003f60..c7cb6ee 100644
--- a/crates/testkit/Cargo.toml
+++ b/crates/testkit/Cargo.toml
@@ -48,7 +48,7 @@ hyper-util = { version = "0.1.7", features = [
     "client",
     "client-legacy",
 ] }
-testcontainers = { version = "0.21.0", optional = true }
+testcontainers = { version = "0.23.0", optional = true }
 tokio = "1.39.3"
 tower = { version = "0.4.13", features = ["util"] }