diff --git a/Cargo.lock b/Cargo.lock
index b36ff16..77af7d6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1756,9 +1756,9 @@ dependencies = [
 
 [[package]]
 name = "schemars"
-version = "0.8.20"
+version = "0.8.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0218ceea14babe24a4a5836f86ade86c1effbc198164e619194cb5069187e29"
+checksum = "09c024468a378b7e36765cd36702b7a90cc3cba11654f6685c8f233408e89e92"
 dependencies = [
  "chrono",
  "dyn-clone",
@@ -1770,9 +1770,9 @@ dependencies = [
 
 [[package]]
 name = "schemars_derive"
-version = "0.8.20"
+version = "0.8.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ed5a1ccce8ff962e31a165d41f6e2a2dd1245099dc4d594f5574a86cd90f4d3"
+checksum = "b1eee588578aff73f856ab961cd2f79e36bc45d7ded33a7562adba4667aecc0e"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/example-macro/Cargo.toml b/example-macro/Cargo.toml
index e8a5487..beccb22 100644
--- a/example-macro/Cargo.toml
+++ b/example-macro/Cargo.toml
@@ -8,6 +8,6 @@ edition = "2021"
 chrono = { version = "0.4", features = ["serde"] }
 progenitor = { path = "../progenitor" }
 reqwest = { version = "0.11.27", features = ["json", "stream"] }
-schemars = { version = "0.8.20", features = ["uuid1"] }
+schemars = { version = "0.8.21", features = ["uuid1"] }
 serde = { version = "1.0", features = ["derive"] }
 uuid = { version = "1.8", features = ["serde", "v4"] }
diff --git a/progenitor-impl/Cargo.toml b/progenitor-impl/Cargo.toml
index ad99b05..a08e2f0 100644
--- a/progenitor-impl/Cargo.toml
+++ b/progenitor-impl/Cargo.toml
@@ -16,7 +16,7 @@ openapiv3 = "2.0.0"
 proc-macro2 = "1.0"
 quote = "1.0"
 regex = "1.10"
-schemars = { version = "0.8.20", features = ["chrono", "uuid1"] }
+schemars = { version = "0.8.21", features = ["chrono", "uuid1"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 syn = { version = "2.0", features = ["parsing"] }
diff --git a/progenitor-macro/Cargo.toml b/progenitor-macro/Cargo.toml
index dd3cde2..c7af719 100644
--- a/progenitor-macro/Cargo.toml
+++ b/progenitor-macro/Cargo.toml
@@ -15,7 +15,7 @@ openapiv3 = "2.0.0"
 proc-macro2 = "1.0"
 progenitor-impl = { version = "0.7.0", path = "../progenitor-impl" }
 quote = "1.0"
-schemars = "0.8.20"
+schemars = "0.8.21"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 serde_yaml = "0.9"
diff --git a/progenitor/Cargo.toml b/progenitor/Cargo.toml
index 4e68bee..014806a 100644
--- a/progenitor/Cargo.toml
+++ b/progenitor/Cargo.toml
@@ -23,7 +23,7 @@ percent-encoding = "2.3"
 rand = "0.8"
 regress = "0.9.1"
 reqwest = { version = "0.11.27", features = ["json", "stream"] }
-schemars = { version = "0.8.20", features = ["uuid1"] }
+schemars = { version = "0.8.21", features = ["uuid1"] }
 serde = { version = "1.0", features = ["derive"] }
 uuid = { version = "1.8", features = ["serde", "v4"] }
 tokio = "1.36.0"