diff --git a/Cargo.lock b/Cargo.lock
index ea33984..f8570e7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -201,9 +201,9 @@ dependencies = [
 
 [[package]]
 name = "proptest"
-version = "1.3.0"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59d6ddf4877c954130eb46772d1efba4ec0f5b3ee3189925d6a78ee61c41227f"
+checksum = "31b476131c3c86cb68032fdc5cb6d5a1045e3e42d96b69fa599fd77701e1f5bf"
 dependencies = [
  "bit-set",
  "bit-vec",
@@ -295,9 +295,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.7.5"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dbb5fb1acd8a1a18b3dd5be62d25485eb770e05afb408a9627d14d451bae12da"
+checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
 
 [[package]]
 name = "rustix"
diff --git a/Cargo.toml b/Cargo.toml
index b78e5b9..1f12504 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ typed-arena = { version = "2.0.2", default-features = false }
 log = "0.4.20"
 
 [dev-dependencies]
-proptest = "1.3.0"
+proptest = "1.4.0"
 proptest-derive = "0.4.0"
 miniz_oxide = "0.7.1"