diff --git a/Cargo.lock b/Cargo.lock
index 3b49c3d2..c3a4f58d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3218,9 +3218,9 @@ dependencies = [
 
 [[package]]
 name = "prometheus-client"
-version = "0.21.2"
+version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c99afa9a01501019ac3a14d71d9f94050346f55ca471ce90c799a15c58f61e2"
+checksum = "510c4f1c9d81d556458f94c98f857748130ea9737bbd6053da497503b26ea63c"
 dependencies = [
  "dtoa",
  "itoa",
diff --git a/chirpstack/Cargo.toml b/chirpstack/Cargo.toml
index fbc85c98..08468d75 100644
--- a/chirpstack/Cargo.toml
+++ b/chirpstack/Cargo.toml
@@ -132,7 +132,7 @@ base64 = "0.21"
 async-recursion = "1.0"
 regex = "1.9"
 petgraph = "0.6"
-prometheus-client = "0.21"
+prometheus-client = "0.22"
 pin-project = "1.1"
 
 # Development and testing