diff --git a/Cargo.lock b/Cargo.lock
index 1577470..4a3b431 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -202,7 +202,7 @@ checksum = "42cd15d1c7456c04dbdf7e88bcd69760d74f3a798d6444e16974b505b0e62f17"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.99",
 ]
 
 [[package]]
@@ -490,7 +490,7 @@ checksum = "b501e44f11665960c7e7fcf062c7d96a14ade4aa98116c004b2e37b5be7d736c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.99",
 ]
 
 [[package]]
@@ -561,18 +561,18 @@ checksum = "1df8c4ec4b0627e53bdf214615ad287367e482558cf84b109250b37464dc03ae"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.43"
+version = "1.0.54"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a2ca2c61bc9f3d74d2886294ab7b9853abd9c1ad903a3ac7815c58989bb7bab"
+checksum = "e472a104799c74b514a57226160104aa483546de37e839ec50e3c2e41dd87534"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.21"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbe448f377a7d6961e30f5955f9b8d106c3f5e449d493ee1b125c1d43c2b5179"
+checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
 dependencies = [
  "proc-macro2",
 ]
@@ -715,7 +715,7 @@ checksum = "94ed3a816fb1d101812f83e789f888322c34e291f894f19590dc310963e87a00"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.99",
 ]
 
 [[package]]
@@ -731,9 +731,9 @@ dependencies = [
 
 [[package]]
 name = "serial_test"
-version = "1.0.0"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "538c30747ae860d6fb88330addbbd3e0ddbe46d662d032855596d8a8ca260611"
+checksum = "0e56dd856803e253c8f298af3f4d7eb0ae5e23a737252cd90bb4f3b435033b2d"
 dependencies = [
  "dashmap",
  "futures",
@@ -745,13 +745,13 @@ dependencies = [
 
 [[package]]
 name = "serial_test_derive"
-version = "1.0.0"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "079a83df15f85d89a68d64ae1238f142f172b1fa915d0d76b26a7cba1b659a69"
+checksum = "91d129178576168c589c9ec973feedf7d3126c01ac2bf08795109aa35b69fb8f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.12",
 ]
 
 [[package]]
@@ -805,6 +805,17 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "syn"
+version = "2.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79d9531f94112cfc3e4c8f5f02cb2b58f72c97b7efd85f70203cc6d8efda5927"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "tempfile"
 version = "3.3.0"
@@ -880,7 +891,7 @@ checksum = "9724f9a975fb987ef7a3cd9be0350edcbe130698af5b8f7a631e23d42d052484"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.99",
 ]
 
 [[package]]
@@ -1029,7 +1040,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.99",
  "wasm-bindgen-shared",
 ]
 
@@ -1051,7 +1062,7 @@ checksum = "07bc0c051dc5f23e307b13285f9d75df86bfdf816c5721e573dec1f9b8aa193c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.99",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index f5a75e7..63c1bbf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -42,7 +42,7 @@ time = "0.3"
 [dev-dependencies]
 tokio = { version = "1", features = ["full"] }
 hyper = { version = "0.14", features = ["server", "tcp"] }
-serial_test = "1.0"
+serial_test = "2.0"
 
 # for minimal-versions
 [target.'cfg(any())'.dependencies]