diff --git a/Cargo.lock b/Cargo.lock
index e4857856..0e89e46f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4818,9 +4818,9 @@ dependencies = [
 
 [[package]]
 name = "schemars"
-version = "0.8.15"
+version = "0.8.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f7b0ce13155372a76ee2e1c5ffba1fe61ede73fbea5630d61eee6fac4929c0c"
+checksum = "45a28f4c49489add4ce10783f7911893516f15afe45d015608d41faca6bc4d29"
 dependencies = [
  "chrono",
  "dyn-clone",
@@ -4832,9 +4832,9 @@ dependencies = [
 
 [[package]]
 name = "schemars_derive"
-version = "0.8.15"
+version = "0.8.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e85e2a16b12bdb763244c69ab79363d71db2b4b918a2def53f80b02e0574b13c"
+checksum = "c767fd6fa65d9ccf9cf026122c1b555f2ef9a4f0cea69da4d7dbc3e258d30967"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/crates/config/Cargo.toml b/crates/config/Cargo.toml
index 9a0e882e..d362aa52 100644
--- a/crates/config/Cargo.toml
+++ b/crates/config/Cargo.toml
@@ -19,7 +19,7 @@ camino = { workspace = true, features = ["serde1"] }
 chrono.workspace = true
 figment = { version = "0.10.11", features = ["env", "yaml", "test"] }
 ipnetwork = { version = "0.20.0", features = ["serde", "schemars"] }
-schemars = { version = "0.8.15", features = ["url", "chrono"] }
+schemars = { version = "0.8.16", features = ["url", "chrono"] }
 ulid.workspace = true
 url.workspace = true
 
diff --git a/crates/iana/Cargo.toml b/crates/iana/Cargo.toml
index a0db842d..200c9050 100644
--- a/crates/iana/Cargo.toml
+++ b/crates/iana/Cargo.toml
@@ -9,7 +9,7 @@ repository.workspace = true
 
 [dependencies]
 serde = { workspace = true, optional = true }
-schemars = { version = "0.8.15", default-features = false, optional = true }
+schemars = { version = "0.8.16", default-features = false, optional = true }
 
 [features]
 default = ["serde", "schemars"]
diff --git a/crates/jose/Cargo.toml b/crates/jose/Cargo.toml
index cfacc7e3..ad091447 100644
--- a/crates/jose/Cargo.toml
+++ b/crates/jose/Cargo.toml
@@ -20,7 +20,7 @@ p256 = { version = "0.13.2", features = ["ecdsa"] }
 p384 = { version = "0.13.0", features = ["ecdsa"] }
 rand.workspace = true
 rsa = "0.9.2"
-schemars = "0.8.15"
+schemars = "0.8.16"
 sec1 = "0.7.3"
 serde.workspace = true
 serde_json.workspace = true
diff --git a/crates/policy/Cargo.toml b/crates/policy/Cargo.toml
index 71b73682..7edbb54e 100644
--- a/crates/policy/Cargo.toml
+++ b/crates/policy/Cargo.toml
@@ -12,7 +12,7 @@ anyhow.workspace = true
 opa-wasm = { git = "https://github.com/matrix-org/rust-opa-wasm.git" }
 serde.workspace = true
 serde_json.workspace = true
-schemars = {version = "0.8.15", optional = true }
+schemars = {version = "0.8.16", optional = true }
 thiserror.workspace = true
 tokio = { version = "1.34.0", features = ["io-util", "rt"] }
 tracing.workspace = true