diff --git a/Cargo.lock b/Cargo.lock
index 9e02c4688..b3490f39b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1022,9 +1022,9 @@ checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
 [[package]]
 name = "pretty_assertions"
-version = "1.4.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af7cee1a6c8a5b9208b3cb1061f10c0cb689087b3d8ce85fb9d2dd7a29b6ba66"
+checksum = "3ae130e2f271fbc2ac3a40fb1d07180839cdbbe443c7a27e1e3c13c5cac0116d"
 dependencies = [
  "diff",
  "yansi",
@@ -1916,9 +1916,9 @@ checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
 [[package]]
 name = "yansi"
-version = "0.5.1"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09041cd90cf85f7f8b2df60c646f853b7f535ce68f85244eb6731cf89fa498ec"
+checksum = "cfe53a6657fd280eaa890a3bc59152892ffa3e30101319d168b781ed6529b049"
 
 [[package]]
 name = "zip"
diff --git a/Cargo.toml b/Cargo.toml
index 98c9cc1f1..b7e28e3ad 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -69,7 +69,7 @@ walkdir = "2.5"
 zip = { version = "0.6", default-features = false }
 
 [dev-dependencies]
-pretty_assertions = "1.2"
+pretty_assertions = "1.4"
 rustc_version = "0.4.1"
 
 [profile.release]