diff --git a/Cargo.lock b/Cargo.lock
index c0cc132..d548125 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -767,9 +767,9 @@ dependencies = [
 
 [[package]]
 name = "proptest"
-version = "1.4.0"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31b476131c3c86cb68032fdc5cb6d5a1045e3e42d96b69fa599fd77701e1f5bf"
+checksum = "b4c2511913b88df1637da85cc8d96ec8e43a3f8bb8ccb71ee1ac240d6f3df58d"
 dependencies = [
  "bit-set",
  "bit-vec",
diff --git a/Cargo.toml b/Cargo.toml
index 9ce07cc..d25d32c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@ ndarray = { version = "^0.15.6", default-features = false }
 num-bigint = { version = "^0.4.6", default-features = false }
 num-bigint-dig = { version = "^0.8.4", default-features = false }
 num-traits = { version = "^0.2.19", default-features = false }
-proptest = { version = "^1.4.0" }
+proptest = { version = "^1.5.0" }
 prost = { version = "^0.12.6", default-features = false, features = ["prost-derive"] }
 prost-build = { version = "^0.12.3", default-features = false }
 rand = { version = "^0.8.5", features = ["small_rng"], default-features = false }