diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index abad3de..74cb54a 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -18,6 +18,8 @@ jobs:
     - name: Install llvm
       run: sudo apt update && sudo apt install -y clang llvm clang-format lld
     - uses: actions-rust-lang/setup-rust-toolchain@v1
+      with:
+        components: rustfmt, clippy
     - name: Prepare, build, test, clippy, format
       run: make prepare build test clippy fmt
     - name: git diff
@@ -45,5 +47,7 @@ jobs:
     - name: Install latest llvm & lld
       run: brew install llvm lld
     - uses: actions-rust-lang/setup-rust-toolchain@v1
+      with:
+        components: rustfmt, clippy
     - name: Prepare, build, test, clippy
       run: make prepare build test clippy
diff --git a/Makefile b/Makefile
index 2e3e197..bffd309 100644
--- a/Makefile
+++ b/Makefile
@@ -83,7 +83,7 @@ check:
 	cargo check $(CARGO_ARGS)
 
 clippy:
-	cargo clippy $(CARGO_ARGS)
+	cargo clippy $(CARGO_ARGS) -- -A clippy::manual-is-multiple-of
 
 fmt:
 	cargo fmt $(CARGO_ARGS)