diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 04194d72..5ec4288d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
       matrix:
         os:
           - ubuntu-latest
-          - macos-latest
+          - macos-12
           - windows-latest
     runs-on: ${{ matrix.os }}
     timeout-minutes: 20
@@ -61,7 +61,7 @@ jobs:
         run: cargo run --release --example simple
 
   test-minimal-versions:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     timeout-minutes: 20
     steps:
       - uses: actions/checkout@v2
diff --git a/src/info.rs b/src/info.rs
index aca55021..c8d29c47 100644
--- a/src/info.rs
+++ b/src/info.rs
@@ -66,14 +66,14 @@ mod tests {
         let version = version();
 
         assert!(version.starts_with("isahc/1."));
-        assert!(version.contains("curl/7."));
+        assert!(version.contains("curl/7.") || version.contains("curl/8."));
     }
 
     #[test]
     fn curl_version_expected() {
         let (major, minor, _patch) = curl_version();
 
-        assert_eq!(major, 7);
+        assert!(major >= 7);
         assert!(minor > 0);
     }