diff --git a/Cargo.lock b/Cargo.lock
index f82ba50de..5a0fdb440 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -907,7 +907,7 @@ checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 [[package]]
 name = "heatmap"
 version = "0.0.0"
-source = "git+https://github.com/twitter/rustcommon?rev=87e0c87#87e0c87cc8ad42466ec0eeba0fee8742325e52c0"
+source = "git+https://github.com/twitter/rustcommon?rev=d550e01#d550e01d3aeb7b334ed44e87652706acb5b3aea8"
 dependencies = [
  "histogram",
  "rustcommon-time",
@@ -935,7 +935,7 @@ dependencies = [
 [[package]]
 name = "histogram"
 version = "0.0.0"
-source = "git+https://github.com/twitter/rustcommon?rev=87e0c87#87e0c87cc8ad42466ec0eeba0fee8742325e52c0"
+source = "git+https://github.com/twitter/rustcommon?rev=d550e01#d550e01d3aeb7b334ed44e87652706acb5b3aea8"
 dependencies = [
  "thiserror",
 ]
@@ -2032,7 +2032,7 @@ checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 [[package]]
 name = "rustcommon-logger"
 version = "0.1.1"
-source = "git+https://github.com/twitter/rustcommon?rev=87e0c87#87e0c87cc8ad42466ec0eeba0fee8742325e52c0"
+source = "git+https://github.com/twitter/rustcommon?rev=d550e01#d550e01d3aeb7b334ed44e87652706acb5b3aea8"
 dependencies = [
  "ahash",
  "log",
@@ -2044,7 +2044,7 @@ dependencies = [
 [[package]]
 name = "rustcommon-metrics"
 version = "0.1.2"
-source = "git+https://github.com/twitter/rustcommon?rev=87e0c87#87e0c87cc8ad42466ec0eeba0fee8742325e52c0"
+source = "git+https://github.com/twitter/rustcommon?rev=d550e01#d550e01d3aeb7b334ed44e87652706acb5b3aea8"
 dependencies = [
  "heatmap",
  "linkme",
@@ -2057,7 +2057,7 @@ dependencies = [
 [[package]]
 name = "rustcommon-metrics-derive"
 version = "0.1.1"
-source = "git+https://github.com/twitter/rustcommon?rev=87e0c87#87e0c87cc8ad42466ec0eeba0fee8742325e52c0"
+source = "git+https://github.com/twitter/rustcommon?rev=d550e01#d550e01d3aeb7b334ed44e87652706acb5b3aea8"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2",
@@ -2068,7 +2068,7 @@ dependencies = [
 [[package]]
 name = "rustcommon-time"
 version = "0.0.13"
-source = "git+https://github.com/twitter/rustcommon?rev=87e0c87#87e0c87cc8ad42466ec0eeba0fee8742325e52c0"
+source = "git+https://github.com/twitter/rustcommon?rev=d550e01#d550e01d3aeb7b334ed44e87652706acb5b3aea8"
 dependencies = [
  "lazy_static",
  "libc",
diff --git a/Cargo.toml b/Cargo.toml
index 689c52c0f..7a069fdac 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -64,9 +64,9 @@ quote = "1.0.21"
 rand = "0.8.5"
 rand_chacha = "0.3.1"
 rand_xoshiro = "0.6.0"
-rustcommon-logger = { git = "https://github.com/twitter/rustcommon", rev = "87e0c87" }
-rustcommon-metrics = { git = "https://github.com/twitter/rustcommon", rev = "87e0c87" }
-rustcommon-time = { git = "https://github.com/twitter/rustcommon", rev = "87e0c87" }
+rustcommon-logger = { git = "https://github.com/twitter/rustcommon", rev = "d550e01" }
+rustcommon-metrics = { git = "https://github.com/twitter/rustcommon", rev = "d550e01" }
+rustcommon-time = { git = "https://github.com/twitter/rustcommon", rev = "d550e01" }
 serde = "1.0.145"
 serde_json = "1.0.85"
 slab = "0.4.7"
diff --git a/src/core/proxy/src/lib.rs b/src/core/proxy/src/lib.rs
index e585b51b1..367b01593 100644
--- a/src/core/proxy/src/lib.rs
+++ b/src/core/proxy/src/lib.rs
@@ -32,7 +32,7 @@ use std::io::{Error, ErrorKind, Result};
 use std::sync::Arc;
 use waker::Waker;
 
-type Instant = rustcommon_metrics::Instant<rustcommon_metrics::Nanoseconds<u64>>;
+type Instant = rustcommon_metrics::time::Instant<rustcommon_metrics::time::Nanoseconds<u64>>;
 
 mod backend;
 mod frontend;
diff --git a/src/core/server/src/lib.rs b/src/core/server/src/lib.rs
index a2135af83..56067de6f 100644
--- a/src/core/server/src/lib.rs
+++ b/src/core/server/src/lib.rs
@@ -120,7 +120,7 @@ use workers::WorkersBuilder;
 
 pub use process::{Process, ProcessBuilder};
 
-type Instant = rustcommon_metrics::Instant<rustcommon_metrics::Nanoseconds<u64>>;
+type Instant = rustcommon_metrics::time::Instant<rustcommon_metrics::time::Nanoseconds<u64>>;
 
 // TODO(bmartin): this *should* be plenty safe, the queue should rarely ever be
 // full, and a single wakeup should drain at least one message and make room for
diff --git a/src/protocol/memcache/src/lib.rs b/src/protocol/memcache/src/lib.rs
index 0f42eec93..c060ddac2 100644
--- a/src/protocol/memcache/src/lib.rs
+++ b/src/protocol/memcache/src/lib.rs
@@ -20,6 +20,7 @@ pub use protocol_common::*;
 
 use common::expiry::TimeType;
 use logger::Klog;
+use rustcommon_metrics::time::*;
 use rustcommon_metrics::*;
 
 const CRLF: &[u8] = b"\r\n";