diff --git a/Cargo.lock b/Cargo.lock
index 25249932af..4494358cf8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1098,9 +1098,9 @@ checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 
 [[package]]
 name = "serde"
-version = "1.0.120"
+version = "1.0.122"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "166b2349061381baf54a58e4b13c89369feb0ef2eaa57198899e2312aac30aab"
+checksum = "974ef1bd2ad8a507599b336595454081ff68a9599b4890af7643c0c0ed73a62c"
 dependencies = [
  "serde_derive",
 ]
@@ -1117,9 +1117,9 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.120"
+version = "1.0.122"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ca2a8cb5805ce9e3b95435e3765b7b553cecc762d938d409434338386cb5775"
+checksum = "8dee1f300f838c8ac340ecb0112b3ac472464fa67e87292bdb3dfc9c49128e17"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1187,9 +1187,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.58"
+version = "1.0.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc60a3d73ea6594cd712d830cc1f0390fd71542d8c8cd24e70cc54cdfd5e05d5"
+checksum = "c700597eca8a5a762beb35753ef6b94df201c81cca676604f547495a0d7f0081"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/boa/Cargo.toml b/boa/Cargo.toml
index a810d9867a..fe3436d490 100644
--- a/boa/Cargo.toml
+++ b/boa/Cargo.toml
@@ -23,7 +23,7 @@ console = []
 [dependencies]
 boa_unicode = { path = "../boa_unicode", version = "0.11.0" }
 gc = { version = "0.3.6", features = ["derive"] }
-serde = { version = "1.0.120", features = ["derive"] }
+serde = { version = "1.0.122", features = ["derive"] }
 serde_json = "1.0.61"
 rand = "0.8.2"
 num-traits = "0.2.14"
diff --git a/boa_tester/Cargo.toml b/boa_tester/Cargo.toml
index 54131e6ce9..a879946c75 100644
--- a/boa_tester/Cargo.toml
+++ b/boa_tester/Cargo.toml
@@ -13,7 +13,7 @@ edition = "2018"
 [dependencies]
 Boa = { path = "../boa" }
 structopt = "0.3.21"
-serde = { version = "1.0.120", features = ["derive"] }
+serde = { version = "1.0.122", features = ["derive"] }
 serde_yaml = "0.8.15"
 serde_json = "1.0.61"
 bitflags = "1.2.1"