diff --git a/Cargo.lock b/Cargo.lock
index cdd1337..5173bb7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -422,9 +422,9 @@ checksum = "780fb4b6698bbf9cf2444ea5d22411cef2953f0824b98f33cf454ec5615645bd"
 
 [[package]]
 name = "pretty_assertions"
-version = "0.7.2"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1cab0e7c02cf376875e9335e0ba1da535775beb5450d21e1dffca068818ed98b"
+checksum = "ec0cfe1b2403f172ba0f234e500906ee0a3e493fb81092dac23ebefe129301cc"
 dependencies = [
  "ansi_term",
  "ctor",
diff --git a/docx-core/Cargo.toml b/docx-core/Cargo.toml
index c7dd4b8..f8e19e7 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 = "0.7.2"
+pretty_assertions = "1.0.0"
 insta = "1.8"