diff --git a/testcontainers/Cargo.toml b/testcontainers/Cargo.toml
index cd9b066b..dd5bfa68 100644
--- a/testcontainers/Cargo.toml
+++ b/testcontainers/Cargo.toml
@@ -17,7 +17,7 @@ rustdoc-args = ["--cfg", "docsrs"]
 
 [dependencies]
 async-trait = { version = "0.1" }
-bollard = { version = "0.20.0", features = ["buildkit_providerless", "time"] }
+bollard = { version = "0.21.0", features = ["buildkit_providerless", "time"] }
 http = "1.1"
 bytes = "1.6.0"
 conquer-once = { version = "0.4", optional = true }