diff --git a/Cargo.lock b/Cargo.lock
index d3ce82c..e1edc10 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -14,9 +14,9 @@ checksum = "5d2e7343e7fc9de883d1b0341e0b13970f764c14101234857d2ddafa1cb1cac2"
 
 [[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",
 ]
@@ -153,10 +153,10 @@ dependencies = [
 ]
 
 [[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 = "docx-rs"
@@ -420,13 +420,13 @@ checksum = "780fb4b6698bbf9cf2444ea5d22411cef2953f0824b98f33cf454ec5615645bd"
 
 [[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/docx-core/Cargo.toml b/docx-core/Cargo.toml
index 8a1415b..8a554e5 100644
--- a/docx-core/Cargo.toml
+++ b/docx-core/Cargo.toml
@@ -29,5 +29,5 @@ serde_json = "1.0"
 image = "0.23.14"
 
 [dev-dependencies]
-pretty_assertions = "0.6.1"
+pretty_assertions = "0.7.1"
 insta = "1.7"