diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index e90c68af..1467d9fc 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -93,4 +93,4 @@ jobs:
         with:
           toolchain: ${{ steps.metadata.outputs.msrv }}
 
-      - run: cargo check
+      - run: cargo check -p h2
diff --git a/Cargo.toml b/Cargo.toml
index 1ef68851..f97b16be 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ keywords = ["http", "async", "non-blocking"]
 categories = ["asynchronous", "web-programming", "network-programming"]
 exclude = ["fixtures/**", "ci/**"]
 edition = "2018"
-rust-version = "1.56"
+rust-version = "1.63"
 
 [features]
 # Enables `futures::Stream` implementations for various types.