diff --git a/opentelemetry-jaeger/Cargo.toml b/opentelemetry-jaeger/Cargo.toml
index f11d918e06..d41870a87f 100644
--- a/opentelemetry-jaeger/Cargo.toml
+++ b/opentelemetry-jaeger/Cargo.toml
@@ -23,7 +23,7 @@ rustdoc-args = ["--cfg", "docsrs"]
 async-std = { workspace = true, optional = true }
 async-trait = { workspace = true }
 base64 = { version = "0.21.0", optional = true }
-headers = { version = "0.3.2", optional = true }
+headers = { version = "0.4.0", optional = true }
 http = { workspace = true, optional = true }
 hyper = { workspace = true, features = ["client"], optional = true }
 hyper-tls = { version = "0.5.0", default-features = false, optional = true }