diff --git a/Cargo.lock b/Cargo.lock
index 471df309..80c317b3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -878,16 +878,15 @@ dependencies = [
 
 [[package]]
 name = "proptest"
-version = "1.1.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29f1b898011ce9595050a68e60f90bad083ff2987a695a42357134c8381fba70"
+checksum = "4e35c06b98bf36aba164cc17cb25f7e232f5c4aeea73baa14b8a9f0d92dbfa65"
 dependencies = [
  "bit-set",
  "bitflags",
  "byteorder",
  "lazy_static",
  "num-traits",
- "quick-error 2.0.1",
  "rand",
  "rand_chacha",
  "rand_xorshift",
@@ -903,12 +902,6 @@ version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
-[[package]]
-name = "quick-error"
-version = "2.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a993555f31e5a609f617c12db6250dedcac1b0a85076912c436e6fc9b2c8e6a3"
-
 [[package]]
 name = "quote"
 version = "1.0.23"
@@ -1040,7 +1033,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cb3dcc6e454c328bb824492db107ab7c0ae8fcffe4ad210136ef014458c1bc4f"
 dependencies = [
  "fnv",
- "quick-error 1.2.3",
+ "quick-error",
  "tempfile",
  "wait-timeout",
 ]
diff --git a/k256/Cargo.toml b/k256/Cargo.toml
index f37f1aab..b7d4bbe5 100644
--- a/k256/Cargo.toml
+++ b/k256/Cargo.toml
@@ -36,7 +36,7 @@ ecdsa-core = { version = "0.16", package = "ecdsa", default-features = false, fe
 hex-literal = "0.4"
 num-bigint = "0.4"
 num-traits = "0.2"
-proptest = "1.1"
+proptest = "1.2"
 rand_core = { version = "0.6", features = ["getrandom"] }
 sha3 = { version = "0.10", default-features = false }
 
diff --git a/p384/Cargo.toml b/p384/Cargo.toml
index 61ac918b..b3866d6e 100644
--- a/p384/Cargo.toml
+++ b/p384/Cargo.toml
@@ -32,7 +32,7 @@ criterion = "0.4"
 ecdsa-core = { version = "0.16", package = "ecdsa", default-features = false, features = ["dev"] }
 hex-literal = "0.4"
 primeorder = { version = "0.13", features = ["dev"], path = "../primeorder" }
-proptest = "1.1"
+proptest = "1.2"
 rand_core = { version = "0.6", features = ["getrandom"] }
 
 [features]