diff --git a/Cargo.lock b/Cargo.lock
index 6f4db52b10..0d7db30169 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -469,9 +469,9 @@ checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
 
 [[package]]
 name = "hdrhistogram"
-version = "7.4.0"
+version = "7.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6490be71f07a5f62b564bc58e36953f675833df11c7e4a0647bee7a07ca1ec5e"
+checksum = "31672b7011be2c4f7456c4ddbcb40e7e9a4a9fad8efe49a6ebaf5f307d0109c0"
 dependencies = [
  "byteorder",
  "num-traits",
diff --git a/linkerd/metrics/Cargo.toml b/linkerd/metrics/Cargo.toml
index bd504a679a..abdb36282a 100644
--- a/linkerd/metrics/Cargo.toml
+++ b/linkerd/metrics/Cargo.toml
@@ -13,7 +13,7 @@ test_util = []
 
 [dependencies]
 deflate = { version = "1.0.0", features = ["gzip"] }
-hdrhistogram = { version = "7.4", default-features = false, optional = true }
+hdrhistogram = { version = "7.5", default-features = false, optional = true }
 http = "0.2"
 hyper = { version = "0.14.17", features = ["http1", "http2"] }
 linkerd-stack = { path = "../stack", optional = true }