diff --git a/Cargo.lock b/Cargo.lock
index 9cacf6a..65f62ab 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -160,12 +160,6 @@ dependencies = [
  "regex-automata 0.1.10",
 ]
 
-[[package]]
-name = "byteorder"
-version = "1.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
-
 [[package]]
 name = "bytes"
 version = "1.5.0"
@@ -591,19 +585,19 @@ dependencies = [
 
 [[package]]
 name = "proptest"
-version = "1.2.0"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e35c06b98bf36aba164cc17cb25f7e232f5c4aeea73baa14b8a9f0d92dbfa65"
+checksum = "7c003ac8c77cb07bb74f5f198bce836a689bcd5a42574612bf14d17bfd08c20e"
 dependencies = [
  "bit-set",
- "bitflags 1.3.2",
- "byteorder",
+ "bit-vec",
+ "bitflags 2.4.0",
  "lazy_static",
  "num-traits",
  "rand",
  "rand_chacha",
  "rand_xorshift",
- "regex-syntax 0.6.29",
+ "regex-syntax 0.7.5",
  "rusty-fork",
  "tempfile",
  "unarray",
diff --git a/protox-parse/Cargo.toml b/protox-parse/Cargo.toml
index 228ff21..0c58e77 100644
--- a/protox-parse/Cargo.toml
+++ b/protox-parse/Cargo.toml
@@ -26,7 +26,7 @@ thiserror = "1.0.48"
 
 [dev-dependencies]
 insta = "1.15.0"
-proptest = "1.0.0"
+proptest = "1.3.1"
 
 [[package.metadata.release.pre-release-replacements]]
 file = "src/lib.rs"