diff --git a/openssl-sys/Cargo.toml b/openssl-sys/Cargo.toml
index 783b68f1..6a37a3a3 100644
--- a/openssl-sys/Cargo.toml
+++ b/openssl-sys/Cargo.toml
@@ -19,7 +19,7 @@ aes_xts = []
 
 [build-dependencies]
 pkg-config = "0.2.1"
-gcc = "0.1"
+gcc = "0.2"
 
 [target.le32-unknown-nacl.dependencies]
 libressl-pnacl-sys = "2.1.0"
diff --git a/openssl-sys/build.rs b/openssl-sys/build.rs
index 50972054..f88a9cd6 100644
--- a/openssl-sys/build.rs
+++ b/openssl-sys/build.rs
@@ -1,10 +1,9 @@
-#![feature(env)]
+#![feature(env, path)]
 
 extern crate "pkg-config" as pkg_config;
 extern crate gcc;
 
 use std::env;
-use std::default::Default;
 
 fn main() {
     let target = env::var("TARGET").unwrap();
@@ -21,18 +20,18 @@ fn main() {
     if target.contains("win32") || target.contains("win64") || target.contains("windows") {
         println!("cargo:rustc-flags=-l crypto -l ssl -l gdi32 -l wsock32");
         // going to assume the user has a new version of openssl
-        build_old_openssl_shim(false);
+        build_old_openssl_shim(false, vec![]);
         return;
     }
 
     if pkg_config::Config::new().atleast_version("1.0.0").find("openssl").is_ok() {
-        build_old_openssl_shim(false);
+        build_old_openssl_shim(false, vec![]);
         return;
     }
 
     let err = match pkg_config::find_library("openssl") {
-        Ok(..) => {
-            build_old_openssl_shim(true);
+        Ok(info) => {
+            build_old_openssl_shim(true, info.include_paths);
             return;
         }
         Err(err) => err,
@@ -42,22 +41,25 @@ fn main() {
     if target.contains("bsd") {
         println!("cargo:rustc-flags=-l crypto -l ssl");
         // going to assume the base system includes a new version of openssl
-        build_old_openssl_shim(false);
+        build_old_openssl_shim(false, vec![]);
         return;
     }
 
     panic!("unable to find openssl: {}", err);
 }
 
-fn build_old_openssl_shim(is_old: bool) {
-    let mut config: gcc::Config = Default::default();
+fn build_old_openssl_shim(is_old: bool, include_paths: Vec<Path>) {
+    let mut config = gcc::Config::new();
+
+    for path in include_paths {
+        config.include(path);
+    }
     if is_old {
-        config.definitions.push(("OLD_OPENSSL".to_string(), None));
+        config.define("OLD_OPENSSL", None);
     }
 
-    gcc::compile_library("libold_openssl_shim.a",
-            &config,
-            &["src/old_openssl_shim.c"]);
+    config.file("src/old_openssl_shim.c")
+        .compile("libold_openssl_shim.a");
 
     let out_dir = env::var("OUT_DIR").unwrap();
     println!("cargo:rustc-flags=-L native={} -l old_openssl_shim:static", out_dir);