diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 34a3122..bc1bbd6 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -30,4 +30,4 @@ jobs:
       - name: Format check
         run: cargo fmt --all -- --check
       - name: Test
-        run: cargo test
+        run: cargo test --all-features
diff --git a/src/xkeys.rs b/src/xkeys.rs
index 914cc33..3b8b9aa 100644
--- a/src/xkeys.rs
+++ b/src/xkeys.rs
@@ -236,7 +236,7 @@ mod tests {
 
     #[test]
     fn from_seed_rejects_bad_prefix() {
-        let seed = "FAAPN4W3EG6KCJGUQTKTJ5GSB5NHK5CHAJL4DBGFUM3HHROI4XUEP4OBK4";
+        let seed = "SZAIB67JMUPS5OKP6BZNCFTIMHOTS6JIX2C53TLSNEROIRFBJLSK3NUOVY";
         let pair = XKey::from_seed(seed);
         assert!(pair.is_err());
         if let Err(e) = pair {