diff --git a/Cargo.lock b/Cargo.lock
index b5988fed6..284bfd2ec 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1475,9 +1475,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.100"
+version = "1.0.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f1e14e89be7aa4c4b78bdbdc9eb5bf8517829a600ae8eaa39a6e1d960b5185c"
+checksum = "d03b412469450d4404fe8499a268edd7f8b79fecb074b0d812ad64ca21f4031b"
 dependencies = [
  "itoa",
  "ryu",
diff --git a/x509-cert/test-support/Cargo.toml b/x509-cert/test-support/Cargo.toml
index 71bdb302f..2781fda8e 100644
--- a/x509-cert/test-support/Cargo.toml
+++ b/x509-cert/test-support/Cargo.toml
@@ -13,5 +13,5 @@ readme = "README.md"
 
 [dependencies]
 serde = { version = "1", features = ["derive"] }
-serde_json = "1.0.99"
+serde_json = "1.0.103"
 tempfile = "3.5.0"