diff --git a/Cargo.lock b/Cargo.lock
index c2f3e1a949..df8528ae12 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5488,9 +5488,9 @@ dependencies = [
 
 [[package]]
 name = "owo-colors"
-version = "3.5.0"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1b04fb49957986fdce4d6ee7a65027d55d4b6d2265e5848bbb507b58ccfdb6f"
+checksum = "caff54706df99d2a78a5a4e3455ff45448d81ef1bb63c22cd14052ca0e993a3f"
 
 [[package]]
 name = "oxide-client"
diff --git a/Cargo.toml b/Cargo.toml
index ed54ae8c6a..4294beb205 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -280,7 +280,7 @@ openssl-sys = "0.9"
 openssl-probe = "0.1.5"
 opte-ioctl = { git = "https://github.com/oxidecomputer/opte", rev = "1d29ef60a18179babfb44f0f7a3c2fe71034a2c1" }
 oso = "0.27"
-owo-colors = "3.5.0"
+owo-colors = "4.0.0"
 oximeter = { path = "oximeter/oximeter" }
 oximeter-client = { path = "clients/oximeter-client" }
 oximeter-db = { path = "oximeter/db/" }