diff --git a/Cargo.lock b/Cargo.lock
index 9c07ad8..84a694f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -39,6 +39,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "atomic-shim"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67cd4b51d303cf3501c301e8125df442128d3c6d7c69f71b27833d253de47e77"
+dependencies = [
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -259,12 +268,6 @@ name = "hashbrown"
 version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
-
-[[package]]
-name = "hashbrown"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 dependencies = [
  "ahash",
 ]
@@ -348,7 +351,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0f647032dfaa1f8b6dc29bd3edb7bbef4861b8b8007ebb118d6db284fd59f6ee"
 dependencies = [
  "autocfg",
- "hashbrown 0.11.2",
+ "hashbrown",
+]
+
+[[package]]
+name = "instant"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
+dependencies = [
+ "cfg-if",
 ]
 
 [[package]]
@@ -448,6 +460,16 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "metrics"
+version = "0.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "142c53885123b68d94108295a09d4afe1a1388ed95b54d5dacd9a454753030f2"
+dependencies = [
+ "ahash",
+ "metrics-macros 0.5.1",
+]
+
 [[package]]
 name = "metrics"
 version = "0.20.1"
@@ -455,29 +477,39 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7b9b8653cec6897f73b519a43fba5ee3d50f62fe9af80b428accdcc093b4a849"
 dependencies = [
  "ahash",
- "metrics-macros",
+ "metrics-macros 0.6.0",
  "portable-atomic",
 ]
 
 [[package]]
 name = "metrics-exporter-prometheus"
-version = "0.11.0"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8603921e1f54ef386189335f288441af761e0fc61bcb552168d9cedfe63ebc70"
+checksum = "953cbbb6f9ba4b9304f4df79b98cdc9d14071ed93065a9fca11c00c5d9181b66"
 dependencies = [
  "hyper",
  "indexmap",
  "ipnet",
- "metrics",
+ "metrics 0.19.0",
  "metrics-util",
- "parking_lot",
- "portable-atomic",
+ "parking_lot 0.11.2",
  "quanta",
  "thiserror",
  "tokio",
  "tracing",
 ]
 
+[[package]]
+name = "metrics-macros"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49e30813093f757be5cf21e50389a24dc7dbb22c49f23b7e8f51d69b508a5ffa"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "metrics-macros"
 version = "0.6.0"
@@ -491,17 +523,17 @@ dependencies = [
 
 [[package]]
 name = "metrics-util"
-version = "0.14.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7d24dc2dbae22bff6f1f9326ffce828c9f07ef9cc1e8002e5279f845432a30a"
+checksum = "fd1f4b69bef1e2b392b2d4a12902f2af90bb438ba4a66aa222d1023fa6561b50"
 dependencies = [
+ "atomic-shim",
  "crossbeam-epoch",
  "crossbeam-utils",
- "hashbrown 0.12.3",
- "metrics",
+ "hashbrown",
+ "metrics 0.19.0",
  "num_cpus",
- "parking_lot",
- "portable-atomic",
+ "parking_lot 0.11.2",
  "quanta",
  "sketches-ddsketch",
 ]
@@ -579,6 +611,17 @@ version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "18a6dbe30758c9f83eb00cbea4ac95966305f5a7772f3f42ebfc7fc7eddbd8e1"
 
+[[package]]
+name = "parking_lot"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d17b78036a60663b797adeaee46f5c9dfebb86948d1255007a1d6be0271ff99"
+dependencies = [
+ "instant",
+ "lock_api",
+ "parking_lot_core 0.8.5",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.12.0"
@@ -586,7 +629,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "87f5ec2493a61ac0506c0f4199f99070cbe83857b0337006a30f3e6719b8ef58"
 dependencies = [
  "lock_api",
- "parking_lot_core",
+ "parking_lot_core 0.9.2",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d76e8e1493bcac0d2766c42737f34458f1c8c50c0d23bcb24ea953affb273216"
+dependencies = [
+ "cfg-if",
+ "instant",
+ "libc",
+ "redox_syscall",
+ "smallvec",
+ "winapi",
 ]
 
 [[package]]
@@ -657,9 +714,9 @@ dependencies = [
 
 [[package]]
 name = "quanta"
-version = "0.10.1"
+version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7e31331286705f455e56cca62e0e717158474ff02b7936c1fa596d983f4ae27"
+checksum = "20afe714292d5e879d8b12740aa223c6a88f118af41870e8b6196e39a02238a8"
 dependencies = [
  "crossbeam-utils",
  "libc",
@@ -803,7 +860,7 @@ dependencies = [
  "flate2",
  "futures-util",
  "hyper",
- "metrics",
+ "metrics 0.20.1",
  "metrics-exporter-prometheus",
  "serde",
  "serde_json",
@@ -818,9 +875,9 @@ dependencies = [
 
 [[package]]
 name = "sketches-ddsketch"
-version = "0.2.0"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ceb945e54128e09c43d8e4f1277851bd5044c6fc540bbaa2ad888f60b3da9ae7"
+checksum = "04d2ecae5fcf33b122e2e6bd520a57ccf152d2dde3b38c71039df1a6867264ee"
 
 [[package]]
 name = "slab"
@@ -914,7 +971,7 @@ dependencies = [
  "mio",
  "num_cpus",
  "once_cell",
- "parking_lot",
+ "parking_lot 0.12.0",
  "pin-project-lite",
  "signal-hook-registry",
  "socket2",
diff --git a/Cargo.toml b/Cargo.toml
index fc5667f..c096369 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,5 +24,5 @@ futures-util = "0.3.21"
 uuid = { version = "1.1.2", features = ["v4"] }
 serde_json = "1.0.82"
 metrics = "0.20.1"
-metrics-exporter-prometheus = "0.11.0"
+metrics-exporter-prometheus = "0.10.0"
 serde = { version = "1.0", features = ["derive"] }