diff --git a/Cargo.toml b/Cargo.toml
index c9e22047..06798679 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,7 +27,7 @@ num-traits = "0.1"
 pyo3cls = { path = "pyo3cls" }
 
 [build-dependencies]
-regex = "0.1"
+regex = "0.2"
 
 [features]
 default = ["nightly"]
diff --git a/build.rs b/build.rs
index 801ee67d..8f64b5ce 100644
--- a/build.rs
+++ b/build.rs
@@ -226,8 +226,8 @@ fn get_interpreter_version(line: &str) -> Result<PythonVersion, String> {
     let version_re = Regex::new(r"\((\d+), (\d+)\)").unwrap();
     match version_re.captures(&line) {
         Some(cap) => Ok(PythonVersion {
-            major: cap.at(1).unwrap().parse().unwrap(),
-            minor: Some(cap.at(2).unwrap().parse().unwrap())
+            major: cap.get(1).unwrap().as_str().parse().unwrap(),
+            minor: Some(cap.get(2).unwrap().as_str().parse().unwrap())
         }),
         None => Err(
             format!("Unexpected response to version query {}", line))