diff --git a/Cargo.lock b/Cargo.lock
index c91a9f85c..c5fb9ce4f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1436,9 +1436,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.97"
+version = "1.0.99"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bdf3bf93142acad5821c99197022e170842cdbc1c30482b98750c688c640842a"
+checksum = "46266871c240a00b8f503b877622fe33430b3c7d963bdc0f2adc511e54a1eae3"
 dependencies = [
  "itoa",
  "ryu",
diff --git a/x509-cert/test-support/Cargo.toml b/x509-cert/test-support/Cargo.toml
index 344478360..71bdb302f 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 = "1.0.95"
+serde_json = "1.0.99"
 tempfile = "3.5.0"