diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 68e33ed7..1c7958cc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,9 +23,9 @@ jobs:
       - name: fmt
         run: cargo fmt --all --check
       - name: clippy
-        run: cargo clippy --workspace -- -D warnings
+        run: cargo clippy --workspace --features protobuf -- -D warnings
       - name: check
-        run: cargo check --workspace
+        run: cargo check --workspace --features protobuf
 
   test:
     name: test
@@ -38,9 +38,9 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
       - uses: Swatinem/rust-cache@v2
       - name: build
-        run: cargo build --workspace
+        run: cargo build --workspace --features protobuf
       - name: test
-        run: cargo test --workspace
+        run: cargo test --workspace --features protobuf
 
   build:
     name: build
diff --git a/Makefile b/Makefile
index 53ad2e53..40b210b7 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@ release:
 	cargo build --release
 
 test:
-	cargo test --workspace
+	cargo test --workspace --features protobuf
 
 fmt:
 	cargo fmt --all
@@ -22,7 +22,7 @@ fmt-check:
 	cargo fmt --all --check
 
 clippy:
-	cargo clippy --workspace -- -D warnings
+	cargo clippy --workspace --features protobuf -- -D warnings
 
 check: fmt-check clippy test
 
diff --git a/tests/integration/Cargo.toml b/tests/integration/Cargo.toml
index 406c4001..8507a90c 100644
--- a/tests/integration/Cargo.toml
+++ b/tests/integration/Cargo.toml
@@ -16,3 +16,6 @@ bytes = { workspace = true }
 ember-protocol = { workspace = true }
 prost-reflect = { workspace = true }
 tempfile = "3"
+
+[features]
+protobuf = []
diff --git a/tests/integration/src/main.rs b/tests/integration/src/main.rs
index ddc7c156..b9250156 100644
--- a/tests/integration/src/main.rs
+++ b/tests/integration/src/main.rs
@@ -6,5 +6,6 @@ mod cli;
 mod cluster;
 mod data_types;
 mod persistence;
+#[cfg(feature = "protobuf")]
 mod proto;
 mod pubsub;