diff --git a/Cargo.lock b/Cargo.lock
index 50c215dbd..8b6daaa9c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1802,7 +1802,7 @@ checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
 
 [[package]]
 name = "janus_aggregator"
-version = "0.5.20"
+version = "0.5.21"
 dependencies = [
  "anyhow",
  "assert_matches",
@@ -1885,7 +1885,7 @@ dependencies = [
 
 [[package]]
 name = "janus_aggregator_api"
-version = "0.5.20"
+version = "0.5.21"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -1914,7 +1914,7 @@ dependencies = [
 
 [[package]]
 name = "janus_aggregator_core"
-version = "0.5.20"
+version = "0.5.21"
 dependencies = [
  "anyhow",
  "assert_matches",
@@ -1969,14 +1969,14 @@ dependencies = [
 
 [[package]]
 name = "janus_build_script_utils"
-version = "0.5.20"
+version = "0.5.21"
 dependencies = [
  "zstd",
 ]
 
 [[package]]
 name = "janus_client"
-version = "0.5.20"
+version = "0.5.21"
 dependencies = [
  "assert_matches",
  "backoff",
@@ -1999,7 +1999,7 @@ dependencies = [
 
 [[package]]
 name = "janus_collector"
-version = "0.5.20"
+version = "0.5.21"
 dependencies = [
  "assert_matches",
  "backoff",
@@ -2024,7 +2024,7 @@ dependencies = [
 
 [[package]]
 name = "janus_core"
-version = "0.5.20"
+version = "0.5.21"
 dependencies = [
  "anyhow",
  "assert_matches",
@@ -2068,7 +2068,7 @@ dependencies = [
 
 [[package]]
 name = "janus_integration_tests"
-version = "0.5.20"
+version = "0.5.21"
 dependencies = [
  "anyhow",
  "backoff",
@@ -2099,7 +2099,7 @@ dependencies = [
 
 [[package]]
 name = "janus_interop_binaries"
-version = "0.5.20"
+version = "0.5.21"
 dependencies = [
  "anyhow",
  "backoff",
@@ -2142,7 +2142,7 @@ dependencies = [
 
 [[package]]
 name = "janus_messages"
-version = "0.5.20"
+version = "0.5.21"
 dependencies = [
  "anyhow",
  "assert_matches",
@@ -2160,7 +2160,7 @@ dependencies = [
 
 [[package]]
 name = "janus_tools"
-version = "0.5.20"
+version = "0.5.21"
 dependencies = [
  "anyhow",
  "assert_matches",
diff --git a/Cargo.toml b/Cargo.toml
index 415ab4607..1436584e5 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 = "1.70.0"
-version = "0.5.20"
+version = "0.5.21"
 
 [workspace.dependencies]
 anyhow = "1"