diff --git a/Cargo.lock b/Cargo.lock
index d5afabf500..af100eccb9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -849,7 +849,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "opener"
-version = "0.3.2"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1245,7 +1246,7 @@ dependencies = [
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "markdown 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "opener 0.3.2",
+ "opener 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl 0.10.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1986,6 +1987,7 @@ dependencies = [
 "checksum num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "0b3a5d7cc97d6d30d8b9bc8fa19bf45349ffe46241e8816f50f62f6d6aaabee1"
 "checksum num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1a23f0ed30a54abaa0c7e83b1d2d87ada7c3c23078d1d87815af3e3b6385fbba"
 "checksum opaque-debug 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "93f5bb2e8e8dec81642920ccff6b61f1eb94fa3020c5a325c9851ff604152409"
+"checksum opener 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "998c59e83d9474c01127a96e023b7a04bb061dd286bf8bb939d31dc8d31a7448"
 "checksum openssl 0.10.20 (registry+https://github.com/rust-lang/crates.io-index)" = "5a0d6b781aac4ac1bd6cafe2a2f0ad8c16ae8e1dd5184822a16c50139f8838d9"
 "checksum openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "77af24da69f9d9341038eba93a073b1fdaaa1b788221b00a69bce9e762cb32de"
 "checksum openssl-src 111.2.1+1.1.1b (registry+https://github.com/rust-lang/crates.io-index)" = "a42e4a28c5a3da4b0df51795aee275b812164c43a690caa871bfa71bf0d52439"
diff --git a/Cargo.toml b/Cargo.toml
index 680db021ee..c55973e1e4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,7 +31,7 @@ git-testament = "0.1.4"
 lazy_static = "1"
 libc = "0.2"
 markdown = "0.2"
-opener = { version = "0.3.2", path = "../opener/opener" }
+opener = "0.4.0"
 # Used by `curl` or `reqwest` backend although it isn't imported
 # by our rustup.
 openssl = { version = "0.10", optional = true }