diff --git a/Cargo.lock b/Cargo.lock
index b61e97e8a..5969e4428 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2079,7 +2079,7 @@ checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
 
 [[package]]
 name = "janus_aggregator"
-version = "0.6.20"
+version = "0.6.21"
 dependencies = [
  "anyhow",
  "assert_matches",
@@ -2104,7 +2104,7 @@ dependencies = [
  "janus_aggregator_api",
  "janus_aggregator_core",
  "janus_core",
- "janus_messages 0.6.20",
+ "janus_messages 0.6.21",
  "k8s-openapi",
  "kube",
  "mockito",
@@ -2160,7 +2160,7 @@ dependencies = [
 
 [[package]]
 name = "janus_aggregator_api"
-version = "0.6.20"
+version = "0.6.21"
 dependencies = [
  "anyhow",
  "assert_matches",
@@ -2170,7 +2170,7 @@ dependencies = [
  "futures",
  "janus_aggregator_core",
  "janus_core",
- "janus_messages 0.6.20",
+ "janus_messages 0.6.21",
  "opentelemetry",
  "querystring",
  "rand",
@@ -2192,7 +2192,7 @@ dependencies = [
 
 [[package]]
 name = "janus_aggregator_core"
-version = "0.6.20"
+version = "0.6.21"
 dependencies = [
  "anyhow",
  "assert_matches",
@@ -2210,7 +2210,7 @@ dependencies = [
  "http-api-problem",
  "janus_aggregator_core",
  "janus_core",
- "janus_messages 0.6.20",
+ "janus_messages 0.6.21",
  "k8s-openapi",
  "kube",
  "opentelemetry",
@@ -2244,7 +2244,7 @@ dependencies = [
 
 [[package]]
 name = "janus_client"
-version = "0.6.20"
+version = "0.6.21"
 dependencies = [
  "assert_matches",
  "backoff",
@@ -2253,7 +2253,7 @@ dependencies = [
  "http",
  "itertools 0.11.0",
  "janus_core",
- "janus_messages 0.6.20",
+ "janus_messages 0.6.21",
  "mockito",
  "prio",
  "rand",
@@ -2268,7 +2268,7 @@ dependencies = [
 
 [[package]]
 name = "janus_collector"
-version = "0.6.20"
+version = "0.6.21"
 dependencies = [
  "assert_matches",
  "backoff",
@@ -2280,7 +2280,7 @@ dependencies = [
  "hpke-dispatch",
  "janus_collector",
  "janus_core",
- "janus_messages 0.6.20",
+ "janus_messages 0.6.21",
  "mockito",
  "prio",
  "rand",
@@ -2296,7 +2296,7 @@ dependencies = [
 
 [[package]]
 name = "janus_core"
-version = "0.6.20"
+version = "0.6.21"
 dependencies = [
  "anyhow",
  "assert_matches",
@@ -2312,7 +2312,7 @@ dependencies = [
  "http",
  "http-api-problem",
  "janus_core",
- "janus_messages 0.6.20",
+ "janus_messages 0.6.21",
  "k8s-openapi",
  "kube",
  "mockito",
@@ -2341,7 +2341,7 @@ dependencies = [
 
 [[package]]
 name = "janus_integration_tests"
-version = "0.6.20"
+version = "0.6.21"
 dependencies = [
  "anyhow",
  "assert_matches",
@@ -2360,7 +2360,7 @@ dependencies = [
  "janus_collector",
  "janus_core",
  "janus_interop_binaries",
- "janus_messages 0.6.20",
+ "janus_messages 0.6.21",
  "k8s-openapi",
  "kube",
  "prio",
@@ -2380,7 +2380,7 @@ dependencies = [
 
 [[package]]
 name = "janus_interop_binaries"
-version = "0.6.20"
+version = "0.6.21"
 dependencies = [
  "anyhow",
  "backoff",
@@ -2397,7 +2397,7 @@ dependencies = [
  "janus_collector",
  "janus_core",
  "janus_interop_binaries",
- "janus_messages 0.6.20",
+ "janus_messages 0.6.21",
  "opentelemetry",
  "prio",
  "rand",
@@ -2440,7 +2440,7 @@ dependencies = [
 
 [[package]]
 name = "janus_messages"
-version = "0.6.20"
+version = "0.6.21"
 dependencies = [
  "anyhow",
  "assert_matches",
@@ -2458,7 +2458,7 @@ dependencies = [
 
 [[package]]
 name = "janus_tools"
-version = "0.6.20"
+version = "0.6.21"
 dependencies = [
  "anyhow",
  "assert_matches",
@@ -2469,7 +2469,7 @@ dependencies = [
  "fixed",
  "janus_collector",
  "janus_core",
- "janus_messages 0.6.20",
+ "janus_messages 0.6.21",
  "prio",
  "rand",
  "reqwest",
@@ -6005,7 +6005,7 @@ dependencies = [
 
 [[package]]
 name = "xtask"
-version = "0.6.20"
+version = "0.6.21"
 dependencies = [
  "anyhow",
  "clap",
diff --git a/Cargo.toml b/Cargo.toml
index 17c5d6ed7..019253b6e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ homepage = "https://divviup.org"
 license = "MPL-2.0"
 repository = "https://github.com/divviup/janus"
 rust-version = "1.73.0"
-version = "0.6.20"
+version = "0.6.21"
 
 [workspace.dependencies]
 anyhow = "1"