diff --git a/Cargo.lock b/Cargo.lock
index 2da4a31326..bfea511ae3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4678,9 +4678,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-subscriber"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5cf865b5ddc38e503a29c41c4843e616a73028ae18c637bc3eb2afaef4909c84"
+checksum = "80a4ddde70311d8da398062ecf6fc2c309337de6b0f77d6c27aff8d53f6fca52"
 dependencies = [
  "ansi_term 0.12.1",
  "lazy_static",
diff --git a/iox_data_generator/Cargo.toml b/iox_data_generator/Cargo.toml
index ba0d13e1cd..20b3c421b6 100644
--- a/iox_data_generator/Cargo.toml
+++ b/iox_data_generator/Cargo.toml
@@ -26,7 +26,7 @@ snafu = "0.6.8"
 tokio = { version = "1.11", features = ["macros", "rt-multi-thread"] }
 toml = "0.5.6"
 tracing = "0.1"
-tracing-subscriber = "0.3.0"
+tracing-subscriber = "0.3.1"
 uuid = { version = "0.8.1", default_features = false }
 
 [dev-dependencies]