diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b9180047..09fd1f4e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -51,6 +51,8 @@ jobs:
       shell: bash
       if: matrix.build == 'msrv'
     - run: cargo test
+    - run: cargo test --no-default-features --features libbz2-rs-sys
+      if: matrix.build != 'msrv'
 
   rustfmt:
     name: Rustfmt
diff --git a/Cargo.toml b/Cargo.toml
index a4c75231..0ae4af75 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,13 @@ rust-version = "1.65.0" # MSRV
 [dependencies]
 libc = "0.2"
 bzip2-sys = { version = "0.1.11", path = "bzip2-sys", optional = true }
-libbz2-rs-sys = { version = "0.1.0", optional = true }
+
+[dependencies.libbz2-rs-sys]
+version = "0.1.0"
+# Don't enable the stdio feature for better portability.
+default-features = false
+features = ["rust-allocator"]
+optional = true
 
 [dev-dependencies]
 rand = "0.8"