diff --git a/async-graphql-lambda/Cargo.toml b/async-graphql-lambda/Cargo.toml
index 86a51477..d97a9706 100644
--- a/async-graphql-lambda/Cargo.toml
+++ b/async-graphql-lambda/Cargo.toml
@@ -16,5 +16,4 @@ categories = ["network-programming", "asynchronous"]
 async-graphql = { path = "..", version = "1.12.4" }
 lambda_http = { git = "https://github.com/awslabs/aws-lambda-rust-runtime" }
 futures = "0.3.0"
-http = "0.2"
 async-trait = "0.1.30"
\ No newline at end of file
diff --git a/async-graphql-lambda/src/lib.rs b/async-graphql-lambda/src/lib.rs
index 1dfec77b..325f96aa 100644
--- a/async-graphql-lambda/src/lib.rs
+++ b/async-graphql-lambda/src/lib.rs
@@ -28,7 +28,7 @@ impl GQLRequestExt for Request {
         let body = self.body().as_ref();
         let ct = self
             .headers()
-            .get(http::header::CONTENT_TYPE)
+            .get("content-type")
             .and_then(|value| value.to_str().ok());
         (ct, AllowStdIo::new(Cursor::new(body)))
             .into_query_builder_opts(&opts)