diff --git a/Cargo.lock b/Cargo.lock
index 4e256905..e0d78024 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -48,7 +48,7 @@ dependencies = [
  "itertools 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "open 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "open 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "scan-rules 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -185,7 +185,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "open"
-version = "1.3.2"
+version = "1.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -442,7 +442,7 @@ dependencies = [
 "checksum libc 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)" = "88ee81885f9f04bff991e306fea7c1c60a5f0f9e409e99f6b40e3311a3363135"
 "checksum log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "14b6052be84e6b71ab17edffc2eeabf5c2c3ae1fdb464aae35ac50c67a44e1f7"
 "checksum memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "88579771288728879b57485cc7d6b07d648c9f0141eb955f8ab7f9d45394468e"
-"checksum open 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "94b424e1086328b0df10235c6ff47be63708071881bead9e76997d9291c0134b"
+"checksum open 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "e02989ecc31ed50c00e2b0edc25ab1f5e7bd81e8baa52b7c4a89180580b4ed08"
 "checksum quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9274b940887ce9addde99c4eee6b5c44cc494b182b97e73dc8ffdcb3397fd3f0"
 "checksum rand 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "022e0636ec2519ddae48154b028864bdce4eaf7d35226ab8e65c611be97b189d"
 "checksum rand 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8356f47b32624fef5b3301c1be97e5944ecdd595409cc5da11d05f211db6cfbd"
diff --git a/Cargo.toml b/Cargo.toml
index 68cf35b5..5923a4be 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,7 @@ hoedown = "6.0.0"
 itertools = "0.8.2"
 lazy_static = "1.4.0"
 log = "0.4.8"
-open = "1.3.2"
+open = "1.3.4"
 regex = "1.3.1"
 rustc-serialize = "0.3.24"
 semver = "0.9.0"