diff --git a/Cargo.lock b/Cargo.lock
index cb945c1..f80114b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -11,9 +11,9 @@ dependencies = [
 
 [[package]]
 name = "ansi_term"
-version = "0.11.0"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
+checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
 dependencies = [
  "winapi",
 ]
@@ -114,10 +114,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "850878694b7933ca4c9569d30a34b55031b9b139ee1fc7b94a527c4ef960d690"
 
 [[package]]
-name = "difference"
-version = "2.0.0"
+name = "diff"
+version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "524cbf6897b527295dff137cec09ecf3a05f4fddffd7dfcd1585403449e74198"
+checksum = "0e25ea47919b1560c4e3b7fe0aaab9becf5b84a10325ddf7db0f0ba5e1026499"
 
 [[package]]
 name = "doc-comment"
@@ -359,13 +359,13 @@ checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "pretty_assertions"
-version = "0.6.1"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f81e1644e1b54f5a68959a29aa86cde704219254669da328ecfdf6a1f09d427"
+checksum = "f297542c27a7df8d45de2b0e620308ab883ad232d06c14b76ac3e144bda50184"
 dependencies = [
  "ansi_term",
  "ctor",
- "difference",
+ "diff",
  "output_vt100",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index 49c6f66..e45630d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,6 +40,6 @@ slug = "0.1.4"
 snafu = "0.6.10"
 
 [dev-dependencies]
-pretty_assertions = "0.6.1"
+pretty_assertions = "0.7.1"
 tempfile = "3.2.0"
 walkdir = "2.3.2"