diff --git a/tracing-subscriber/Cargo.toml b/tracing-subscriber/Cargo.toml
index f7e55244dc..78d0991efa 100644
--- a/tracing-subscriber/Cargo.toml
+++ b/tracing-subscriber/Cargo.toml
@@ -57,7 +57,7 @@ serde = { version = "1.0", optional = true }
 tracing-serde = { path = "../tracing-serde", version = "0.2", optional = true }
 
 # opt-in deps
-parking_lot = { version = ">= 0.9.0, <= 0.12", optional = true }
+parking_lot = { version = ">= 0.9.0, <= 0.13", optional = true }
 
 # registry
 sharded-slab = { version = "0.1.0", optional = true }