diff --git a/src/version.rs b/src/version.rs
index ffd90a3..6263017 100644
--- a/src/version.rs
+++ b/src/version.rs
@@ -267,6 +267,16 @@ mod tests {
         )
     }
 
+    #[test]
+    fn to_string() {
+        let s = "3.14.0_beta2-riscv64";
+        let version: Version = s.parse().unwrap();
+        assert_eq!(s, version.to_string());
+        let s = "3.14.6_git_r2d2xxx.1705881493-x86_64";
+        let version: Version = s.parse().unwrap();
+        assert_eq!(s, version.to_string());
+    }
+
     #[test]
     fn cmp() {
         let astr = "3.14.0-x86_64";