diff --git a/Cargo.lock b/Cargo.lock
index e588d6a41..6902525ba 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1026,7 +1026,7 @@ dependencies = [
  "rbpf",
  "serde",
  "serde_json",
- "serial_test 0.5.1",
+ "serial_test",
 ]
 
 [[package]]
@@ -1054,7 +1054,7 @@ dependencies = [
  "rand",
  "serde",
  "serde_json",
- "serial_test 0.6.0",
+ "serial_test",
  "wasmer",
  "wasmer-wasi",
 ]
@@ -1936,17 +1936,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "serial_test"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0bccbcf40c8938196944a3da0e133e031a33f4d6b72db3bda3cc556e361905d"
-dependencies = [
- "lazy_static",
- "parking_lot",
- "serial_test_derive 0.5.1",
-]
-
 [[package]]
 name = "serial_test"
 version = "0.6.0"
@@ -1955,18 +1944,7 @@ checksum = "e5bcc41d18f7a1d50525d080fd3e953be87c4f9f1a974f3c21798ca00d54ec15"
 dependencies = [
  "lazy_static",
  "parking_lot",
- "serial_test_derive 0.6.0",
-]
-
-[[package]]
-name = "serial_test_derive"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2acd6defeddb41eb60bb468f8825d0cfd0c2a76bc03bfd235b6a1dc4f6a1ad5"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "serial_test_derive",
 ]
 
 [[package]]
@@ -2768,7 +2746,7 @@ dependencies = [
  "procfs",
  "serde",
  "serde_json",
- "serial_test 0.6.0",
+ "serial_test",
  "tabwriter",
  "vergen",
 ]
diff --git a/crates/libcgroups/Cargo.toml b/crates/libcgroups/Cargo.toml
index 39ee33fb2..c913d3aa4 100644
--- a/crates/libcgroups/Cargo.toml
+++ b/crates/libcgroups/Cargo.toml
@@ -34,4 +34,4 @@ clap = "3.0.0-beta.5"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 env_logger = "0.9"
-serial_test = "0.5.1"
+serial_test = "0.6.0"