diff --git a/Cargo.lock b/Cargo.lock
index b56a707afd0..812045bfa34 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1555,9 +1555,9 @@ checksum = "1847abb9cb65d566acd5942e94aea9c8f547ad02c98e1649326fc0e8910b8b1e"
 
 [[package]]
 name = "futures"
-version = "0.3.21"
+version = "0.3.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f73fe65f54d1e12b726f517d3e2135ca3125a437b6d998caf1962961f7172d9e"
+checksum = "ab30e97ab6aacfe635fad58f22c2bb06c8b685f7421eb1e064a729e2a5f481fa"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -1570,9 +1570,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.21"
+version = "0.3.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3083ce4b914124575708913bca19bfe887522d6e2e6d0952943f5eac4a74010"
+checksum = "2bfc52cbddcfd745bf1740338492bb0bd83d76c67b445f91c5fb29fae29ecaa1"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -1580,15 +1580,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.21"
+version = "0.3.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c09fd04b7e4073ac7156a9539b57a484a8ea920f79c7c675d05d289ab6110d3"
+checksum = "d2acedae88d38235936c3922476b10fced7b2b68136f5e3c03c2d5be348a1115"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.21"
+version = "0.3.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9420b90cfa29e327d0429f19be13e7ddb68fa1cccb09d65e5706b8c7a749b8a6"
+checksum = "1d11aa21b5b587a64682c0094c2bdd4df0076c5324961a40cc3abd7f37930528"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -1597,15 +1597,15 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.21"
+version = "0.3.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc4045962a5a5e935ee2fdedaa4e08284547402885ab326734432bed5d12966b"
+checksum = "93a66fc6d035a26a3ae255a6d2bca35eda63ae4c5512bef54449113f7a1228e5"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.21"
+version = "0.3.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33c1e13800337f4d4d7a316bf45a567dbcb6ffe087f16424852d97e97a91f512"
+checksum = "0db9cce532b0eae2ccf2766ab246f114b56b9cf6d445e00c2549fbc100ca045d"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1614,21 +1614,21 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.21"
+version = "0.3.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21163e139fa306126e6eedaf49ecdb4588f939600f0b1e770f4205ee4b7fa868"
+checksum = "ca0bae1fe9752cf7fd9b0064c674ae63f97b37bc714d745cbde0afb7ec4e6765"
 
 [[package]]
 name = "futures-task"
-version = "0.3.21"
+version = "0.3.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57c66a976bf5909d801bbef33416c41372779507e7a6b3a5e25e4749c58f776a"
+checksum = "842fc63b931f4056a24d59de13fb1272134ce261816e063e634ad0c15cdc5306"
 
 [[package]]
 name = "futures-util"
-version = "0.3.21"
+version = "0.3.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8b7abd5d659d9b90c8cba917f6ec750a74e2dc23902ef9cd4cc8c8b22e6036a"
+checksum = "f0828a5471e340229c11c77ca80017937ce3c58cb788a17e5f1c2d5c485a9577"
 dependencies = [
  "futures-channel",
  "futures-core",
diff --git a/common/Cargo.toml b/common/Cargo.toml
index e863b728eb0..1ec7ddee1cf 100644
--- a/common/Cargo.toml
+++ b/common/Cargo.toml
@@ -10,7 +10,7 @@ api_identity = { path = "../api_identity" }
 backoff = { version = "0.4.0", features = [ "tokio" ] }
 chrono = { version = "0.4", features = [ "serde" ] }
 dropshot = {  git = "https://github.com/oxidecomputer/dropshot", branch = "main", features = [ "usdt-probes" ] }
-futures = "0.3.21"
+futures = "0.3.23"
 http = "0.2.7"
 hyper = "0.14"
 ipnetwork = "0.20"
diff --git a/gateway-cli/Cargo.toml b/gateway-cli/Cargo.toml
index d980055a652..fc7a3f99a58 100644
--- a/gateway-cli/Cargo.toml
+++ b/gateway-cli/Cargo.toml
@@ -7,7 +7,7 @@ license = "MPL-2.0"
 [dependencies]
 anyhow = "1.0"
 clap = "3.2.17"
-futures = "0.3.21"
+futures = "0.3.23"
 libc = "0.2"
 slog-async = "2.6"
 slog-term = "2.9"
diff --git a/gateway-client/Cargo.toml b/gateway-client/Cargo.toml
index 960a8e66793..4d90c3709e5 100644
--- a/gateway-client/Cargo.toml
+++ b/gateway-client/Cargo.toml
@@ -8,7 +8,7 @@ license = "MPL-2.0"
 progenitor = { git = "https://github.com/oxidecomputer/progenitor" }
 reqwest = { version = "0.11", default-features = false, features = ["rustls-tls", "stream"] }
 serde_json = "1.0"
-futures = "0.3.21"
+futures = "0.3.23"
 
 [dependencies.chrono]
 version = "0.4"
diff --git a/gateway/Cargo.toml b/gateway/Cargo.toml
index f610a254535..99f97a3ba12 100644
--- a/gateway/Cargo.toml
+++ b/gateway/Cargo.toml
@@ -7,7 +7,7 @@ license = "MPL-2.0"
 [dependencies]
 clap = { version = "3.2", features = ["derive"] }
 dropshot = { git = "https://github.com/oxidecomputer/dropshot", branch = "main", features = [ "usdt-probes" ] }
-futures = "0.3.21"
+futures = "0.3.23"
 hex = "0.4"
 http = "0.2.7"
 hyper = "0.14.20"
diff --git a/internal-dns-client/Cargo.toml b/internal-dns-client/Cargo.toml
index fe92884f00a..ff9bbcc6476 100644
--- a/internal-dns-client/Cargo.toml
+++ b/internal-dns-client/Cargo.toml
@@ -5,7 +5,7 @@ edition = "2021"
 license = "MPL-2.0"
 
 [dependencies]
-futures = "0.3.21"
+futures = "0.3.23"
 omicron-common = { path = "../common" }
 progenitor = { git = "https://github.com/oxidecomputer/progenitor" }
 reqwest = { version = "0.11", features = ["json", "rustls-tls", "stream"] }
diff --git a/nexus/Cargo.toml b/nexus/Cargo.toml
index 8755adf9aeb..83a40f48e36 100644
--- a/nexus/Cargo.toml
+++ b/nexus/Cargo.toml
@@ -19,7 +19,7 @@ crucible-agent-client = { git = "https://github.com/oxidecomputer/crucible", rev
 diesel = { version = "2.0.0-rc.1", features = ["postgres", "r2d2", "chrono", "serde_json", "network-address", "uuid"] }
 diesel-dtrace = { git = "https://github.com/oxidecomputer/diesel-dtrace", rev = "b9262a79db59f0727ca28ca9baed6fc6e3cc31e7" }
 fatfs = "0.3.5"
-futures = "0.3.21"
+futures = "0.3.23"
 headers = "0.3.7"
 hex = "0.4.3"
 http = "0.2.7"
diff --git a/nexus/src/authz/policy_test/mod.rs b/nexus/src/authz/policy_test/mod.rs
index 1602a4dc713..85544860134 100644
--- a/nexus/src/authz/policy_test/mod.rs
+++ b/nexus/src/authz/policy_test/mod.rs
@@ -184,7 +184,7 @@ async fn authorize_everything<W: Write>(
     let mut futures = futures::stream::FuturesOrdered::new();
     for resource in test_resources.resources() {
         let log = log.new(o!("resource" => format!("{:?}", resource)));
-        futures.push(authorize_one_resource(
+        futures.push_back(authorize_one_resource(
             log,
             user_contexts.to_owned(),
             Arc::clone(&resource),
diff --git a/oxide-client/Cargo.toml b/oxide-client/Cargo.toml
index ecb4c59af76..f5b3f5bba6f 100644
--- a/oxide-client/Cargo.toml
+++ b/oxide-client/Cargo.toml
@@ -5,7 +5,7 @@ edition = "2021"
 license = "MPL-2.0"
 
 [dependencies]
-futures = "0.3.21"
+futures = "0.3.23"
 progenitor = { git = "https://github.com/oxidecomputer/progenitor" }
 regress = "0.4.1"
 serde_json = "1.0.82"
diff --git a/oximeter/instruments/Cargo.toml b/oximeter/instruments/Cargo.toml
index 2c2cd8471e9..eb202b11aba 100644
--- a/oximeter/instruments/Cargo.toml
+++ b/oximeter/instruments/Cargo.toml
@@ -7,7 +7,7 @@ license = "MPL-2.0"
 [dependencies]
 chrono = { version = "0.4", features = [ "serde" ] }
 dropshot = { git = "https://github.com/oxidecomputer/dropshot", branch = "main", features = [ "usdt-probes" ] }
-futures = "0.3.21"
+futures = "0.3.23"
 oximeter = { path = "../oximeter" }
 http = { version = "0.2.7", optional = true }
 uuid = { version = "1.1.0", features = [ "v4", "serde" ] }
diff --git a/package/Cargo.toml b/package/Cargo.toml
index 4e71071da00..020c9258c0f 100644
--- a/package/Cargo.toml
+++ b/package/Cargo.toml
@@ -8,7 +8,7 @@ license = "MPL-2.0"
 [dependencies]
 anyhow = "1.0"
 clap = { version = "3.2", features = ["derive"] }
-futures = "0.3.21"
+futures = "0.3.23"
 hex = "0.4.3"
 indicatif = { version = "0.16.2", features = ["rayon"] }
 omicron-common = { path = "../common" }
diff --git a/sled-agent/Cargo.toml b/sled-agent/Cargo.toml
index ecc0ab8c2c5..6a8516988da 100644
--- a/sled-agent/Cargo.toml
+++ b/sled-agent/Cargo.toml
@@ -18,7 +18,7 @@ crucible-client-types = { git = "https://github.com/oxidecomputer/crucible", rev
 crucible-agent-client = { git = "https://github.com/oxidecomputer/crucible", rev = "1d67a53042f19ff7ca30dd20a04da94b7715ed7c" }
 ddm-admin-client = { path = "../ddm-admin-client" }
 dropshot = { git = "https://github.com/oxidecomputer/dropshot", branch = "main", features = [ "usdt-probes" ] }
-futures = "0.3.21"
+futures = "0.3.23"
 internal-dns-client = { path = "../internal-dns-client" }
 ipnetwork = "0.20"
 libc = "0.2.132"
diff --git a/sled-agent/src/storage_manager.rs b/sled-agent/src/storage_manager.rs
index 3ec65c6427d..e9cfa6f6b4b 100644
--- a/sled-agent/src/storage_manager.rs
+++ b/sled-agent/src/storage_manager.rs
@@ -656,7 +656,7 @@ impl StorageWorker {
                 "failed to notify nexus, will retry in {:?}", delay;
             );
         };
-        nexus_notifications.push(
+        nexus_notifications.push_back(
             backoff::retry_notify(
                 backoff::internal_service_policy(),
                 notify_nexus,
@@ -702,7 +702,7 @@ impl StorageWorker {
                 "failed to notify nexus about datasets, will retry in {:?}", delay;
             );
         };
-        nexus_notifications.push(
+        nexus_notifications.push_back(
             backoff::retry_notify(
                 backoff::internal_service_policy(),
                 notify_nexus,
diff --git a/test-utils/Cargo.toml b/test-utils/Cargo.toml
index b222ec3ae5c..bb0b9d4ee0c 100644
--- a/test-utils/Cargo.toml
+++ b/test-utils/Cargo.toml
@@ -7,7 +7,7 @@ license = "MPL-2.0"
 [dependencies]
 anyhow = "1.0"
 clap = { version = "3.2", features = ["derive"] }
-futures = "0.3.21"
+futures = "0.3.23"
 libc = "0.2.132"
 omicron-common = { path = "../common" }
 postgres-protocol = "0.6.4"