diff --git a/Cargo.lock b/Cargo.lock
index fdb9733f2..28ffb3b24 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1482,9 +1482,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.103"
+version = "1.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d03b412469450d4404fe8499a268edd7f8b79fecb074b0d812ad64ca21f4031b"
+checksum = "076066c5f1078eac5b722a31827a8832fe108bed65dfa75e233c89f8206e976c"
 dependencies = [
  "itoa",
  "ryu",
diff --git a/x509-cert/test-support/Cargo.toml b/x509-cert/test-support/Cargo.toml
index 2781fda8e..b7700fca2 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 = "1.0.103"
+serde_json = "1.0.104"
 tempfile = "3.5.0"