diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ec0cbd9..522e27d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,6 +18,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - run: rustup update stable && rustup default stable
+      - uses: Swatinem/rust-cache@v2
       # hashgraph-like-consensus's build.rs shells out to protoc via prost-build.
       - run: sudo apt-get update && sudo apt-get install -y protobuf-compiler
       # chat-cli pulls in components' embedded_p2p_delivery feature, whose
@@ -34,6 +35,7 @@ jobs:
       - uses: actions/checkout@v4
       - run: rustup update stable && rustup default stable
       - run: rustup component add clippy
+      - uses: Swatinem/rust-cache@v2
       # hashgraph-like-consensus's build.rs shells out to protoc via prost-build.
       - run: sudo apt-get update && sudo apt-get install -y protobuf-compiler
       - run: cargo clippy --all-targets --all-features --workspace --exclude chat-cli -- -D warnings