diff --git a/Cargo.toml b/Cargo.toml
index 7ef70a0bf5..11f215fc15 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,6 @@ ahash = "0.8.6"
 anyhow = { workspace = true }
 anymap = "1.0.0-beta.2"
 base32ct = { version = "0.2.0", features = ["std"] }
-base64 = { workspace = true }
 base-x = "0.2.11"
 bellpepper = { workspace = true }
 bellpepper-core = { workspace = true }
@@ -119,20 +118,19 @@ members = ["lurk-macros", "lurk-metrics"]
 [workspace.dependencies]
 abomonation = "0.7.3"
 anyhow = "1.0.72"
-base64 = "0.13.1"
 bellpepper = { git = "https://github.com/lurk-lab/bellpepper", branch = "dev" }
 bellpepper-core = { git = "https://github.com/lurk-lab/bellpepper", branch = "dev" }
 bincode = "1.3.3"
 clap = "4.3.17"
 ff = "0.13"
-metrics = "0.21.1"
+metrics = "0.22.0"
 neptune = { git = "https://github.com/lurk-lab/neptune", branch = "dev", features = ["abomonation"] }
 nova = { git = "https://github.com/lurk-lab/arecibo", branch = "dev", package = "arecibo" }
 once_cell = "1.18.0"
 pairing = { version = "0.23" }
 pasta_curves = { git = "https://github.com/lurk-lab/pasta_curves", branch = "dev" }
 proptest = "1.2.0"
-proptest-derive = "0.3"
+proptest-derive = "0.4.0"
 rand = "0.8"
 serde = "1.0"
 serde_json = { version = "1.0" }
diff --git a/_typos.toml b/_typos.toml
new file mode 100644
index 0000000000..00a38370c4
--- /dev/null
+++ b/_typos.toml
@@ -0,0 +1,4 @@
+[default]
+extend-ignore-identifiers-re = [
+    "[Aa]bomonation",
+]
diff --git a/lurk-metrics/src/lib.rs b/lurk-metrics/src/lib.rs
index 0989bb4f0e..d3b1d17023 100644
--- a/lurk-metrics/src/lib.rs
+++ b/lurk-metrics/src/lib.rs
@@ -77,7 +77,7 @@ impl MetricsSink {
         };
 
         sink.install();
-        metrics::set_recorder(&MetricsRecorder).unwrap();
+        metrics::set_global_recorder(MetricsRecorder).unwrap();
 
         handle
     }
@@ -181,19 +181,19 @@ mod tests {
         let threads = Arc::clone(&sink.threads);
 
         sink.install();
-        metrics::set_recorder(&MetricsRecorder).unwrap();
-
-        metrics::counter!("test_counter", 1, "type" => "foo");
-        metrics::counter!("test_counter", 1, "type" => "bar");
-        metrics::counter!("test_counter", 2, "type" => "foo");
-        metrics::counter!("test_counter", 2, "type" => "bar");
-        metrics::counter!("test_counter", 3, "type" => "foo");
-        metrics::counter!("test_counter", 4, "type" => "bar");
-
-        metrics::gauge!("test_gauge", 5.0, "type" => "foo");
-        metrics::gauge!("test_gauge", 5.0, "type" => "bar");
-        metrics::gauge!("test_gauge", 2.0, "type" => "foo");
-        metrics::gauge!("test_gauge", 3.0, "type" => "bar");
+        metrics::set_global_recorder(MetricsRecorder).unwrap();
+
+        metrics::counter!("test_counter", "type" => "foo").increment(1);
+        metrics::counter!("test_counter", "type" => "bar").increment(1);
+        metrics::counter!("test_counter", "type" => "foo").increment(2);
+        metrics::counter!("test_counter", "type" => "bar").increment(2);
+        metrics::counter!("test_counter", "type" => "foo").increment(3);
+        metrics::counter!("test_counter", "type" => "bar").increment(4);
+
+        metrics::gauge!("test_gauge", "type" => "foo").set(5.0);
+        metrics::gauge!("test_gauge", "type" => "bar").set(5.0);
+        metrics::gauge!("test_gauge", "type" => "foo").set(2.0);
+        metrics::gauge!("test_gauge", "type" => "bar").set(3.0);
 
         let metrics = MetricsSink::aggregate(&threads);
         assert_eq!(metrics.iter().count(), 4);
diff --git a/lurk-metrics/src/recorder.rs b/lurk-metrics/src/recorder.rs
index 5d7b9ed57c..f3aba8c7a2 100644
--- a/lurk-metrics/src/recorder.rs
+++ b/lurk-metrics/src/recorder.rs
@@ -1,5 +1,5 @@
 use metrics::{
-    Counter, CounterFn, Gauge, GaugeFn, Histogram, HistogramFn, Key, KeyName, Recorder,
+    Counter, CounterFn, Gauge, GaugeFn, Histogram, HistogramFn, Key, KeyName, Metadata, Recorder,
     SharedString, Unit,
 };
 
@@ -18,15 +18,15 @@ impl Recorder for MetricsRecorder {
 
     fn describe_histogram(&self, _key: KeyName, _unit: Option<Unit>, _description: SharedString) {}
 
-    fn register_counter(&self, key: &Key) -> Counter {
+    fn register_counter(&self, key: &Key, _metadata: &Metadata<'_>) -> Counter {
         Counter::from_arc(Arc::new(CounterImpl(key.clone())))
     }
 
-    fn register_gauge(&self, key: &Key) -> Gauge {
+    fn register_gauge(&self, key: &Key, _metadata: &Metadata<'_>) -> Gauge {
         Gauge::from_arc(Arc::new(GaugeImpl(key.clone())))
     }
 
-    fn register_histogram(&self, key: &Key) -> Histogram {
+    fn register_histogram(&self, key: &Key, _metadata: &Metadata<'_>) -> Histogram {
         Histogram::from_arc(Arc::new(HistogramImpl(key.clone())))
     }
 }
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 1ffa70ccd0..7d67641fa1 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,6 +1,6 @@
 [toolchain]
 # The default profile includes rustc, rust-std, cargo, rust-docs, rustfmt and clippy.
 profile = "default"
-channel = "1.73"
+channel = "1.75"
 targets = [ "wasm32-unknown-unknown" ]