diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index e116ed6..68c4804 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -70,3 +70,7 @@ jobs:
     - name: Benchmark
       if: matrix.rust == 'nightly'
       run: cargo +${{ matrix.rust }} bench
+
+    - name: Minimal versions
+      if: matrix.rust == 'nightly'
+      run: cargo +${{ matrix.rust }} -Zdirect-minimal-versions test
diff --git a/croaring/Cargo.toml b/croaring/Cargo.toml
index 90686f2..3eea104 100644
--- a/croaring/Cargo.toml
+++ b/croaring/Cargo.toml
@@ -22,8 +22,8 @@ roaring = "0.10"
 criterion = { version = "0.5", features = ["html_reports"] }
 
 [dependencies]
-ffi = { package = "croaring-sys", path = "../croaring-sys", version = "1.0.0" }
-byteorder = "1"
+ffi = { package = "croaring-sys", path = "../croaring-sys", version = "1.1.0" }
+byteorder = "1.4.3"
 
 [[bench]]
 name = "benches"