diff --git a/core/Cargo.toml b/core/Cargo.toml
index 91102b60a9c..9734825a3b7 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -45,7 +45,7 @@ libp2p-mplex = { path = "../muxers/mplex" }
 libp2p-noise = { path = "../transports/noise" }
 libp2p-tcp = { path = "../transports/tcp" }
 multihash = { version = "0.13", default-features = false, features = ["arb"] }
-quickcheck = "0.9.0"
+quickcheck = "1.0.3"
 wasm-timer = "0.2"
 
 [build-dependencies]
diff --git a/misc/multiaddr/Cargo.toml b/misc/multiaddr/Cargo.toml
index ddebe81d709..73f985cfc87 100644
--- a/misc/multiaddr/Cargo.toml
+++ b/misc/multiaddr/Cargo.toml
@@ -25,6 +25,6 @@ url = { version = "2.1.0", optional = true, default-features = false }
 
 [dev-dependencies]
 bincode = "1"
-quickcheck = "0.9.0"
+quickcheck = "1.0.3"
 rand = "0.7.2"
 serde_json = "1.0"
diff --git a/misc/multistream-select/Cargo.toml b/misc/multistream-select/Cargo.toml
index 041a035c27a..efa80839c2f 100644
--- a/misc/multistream-select/Cargo.toml
+++ b/misc/multistream-select/Cargo.toml
@@ -23,6 +23,6 @@ env_logger = "0.8"
 libp2p-core = { path = "../../core" }
 libp2p-mplex = { path = "../../muxers/mplex" }
 libp2p-plaintext = { path = "../../transports/plaintext" }
-quickcheck = "0.9.0"
+quickcheck = "1.0.3"
 rand = "0.7.2"
 rw-stream-sink = "0.2.1"
diff --git a/muxers/mplex/Cargo.toml b/muxers/mplex/Cargo.toml
index db60a5f9884..839399bd29f 100644
--- a/muxers/mplex/Cargo.toml
+++ b/muxers/mplex/Cargo.toml
@@ -28,7 +28,7 @@ env_logger = "0.8"
 futures = "0.3"
 libp2p-tcp = { path = "../../transports/tcp" }
 libp2p-plaintext = { path = "../../transports/plaintext" }
-quickcheck = "0.9"
+quickcheck = "1.0"
 rand = "0.7"
 
 [[bench]]
diff --git a/protocols/gossipsub/Cargo.toml b/protocols/gossipsub/Cargo.toml
index 7f3414c824c..3227186cc6b 100644
--- a/protocols/gossipsub/Cargo.toml
+++ b/protocols/gossipsub/Cargo.toml
@@ -35,7 +35,7 @@ libp2p-plaintext = { path = "../../transports/plaintext" }
 libp2p-yamux = { path = "../../muxers/yamux" }
 libp2p-mplex = { path = "../../muxers/mplex" }
 libp2p-noise = { path = "../../transports/noise" }
-quickcheck = "0.9.2"
+quickcheck = "1.0.3"
 hex = "0.4.2"
 derive_builder = "0.9.0"
 
diff --git a/protocols/kad/Cargo.toml b/protocols/kad/Cargo.toml
index 21ac3a46fee..0cfc96d08bb 100644
--- a/protocols/kad/Cargo.toml
+++ b/protocols/kad/Cargo.toml
@@ -32,7 +32,7 @@ void = "1.0"
 futures-timer = "3.0"
 libp2p-noise = { path = "../../transports/noise" }
 libp2p-yamux = { path = "../../muxers/yamux" }
-quickcheck = "0.9.0"
+quickcheck = "1.0.3"
 
 [build-dependencies]
 prost-build = "0.7"
diff --git a/protocols/ping/Cargo.toml b/protocols/ping/Cargo.toml
index 27c7f680432..e2e6f1035e8 100644
--- a/protocols/ping/Cargo.toml
+++ b/protocols/ping/Cargo.toml
@@ -24,4 +24,4 @@ libp2p-tcp = { path = "../../transports/tcp" }
 libp2p-noise = { path = "../../transports/noise" }
 libp2p-yamux = { path = "../../muxers/yamux" }
 libp2p-mplex = { path = "../../muxers/mplex" }
-quickcheck = "0.9.0"
+quickcheck = "1.0.3"
diff --git a/swarm/Cargo.toml b/swarm/Cargo.toml
index 33b410ceb58..e63a7c076f6 100644
--- a/swarm/Cargo.toml
+++ b/swarm/Cargo.toml
@@ -22,5 +22,5 @@ void = "1"
 [dev-dependencies]
 libp2p-mplex = { path = "../muxers/mplex" }
 libp2p-noise = { path = "../transports/noise" }
-quickcheck = "0.9.0"
+quickcheck = "1.0.3"
 rand = "0.7.2"
diff --git a/transports/deflate/Cargo.toml b/transports/deflate/Cargo.toml
index 2b01990eeea..77bb2dc76f1 100644
--- a/transports/deflate/Cargo.toml
+++ b/transports/deflate/Cargo.toml
@@ -17,5 +17,5 @@ flate2 = "1.0"
 [dev-dependencies]
 async-std = "1.6.2"
 libp2p-tcp = { path = "../../transports/tcp" }
-quickcheck = "0.9"
+quickcheck = "1.0"
 rand = "0.7"
diff --git a/transports/noise/Cargo.toml b/transports/noise/Cargo.toml
index 829d907c411..ee6e16594cb 100644
--- a/transports/noise/Cargo.toml
+++ b/transports/noise/Cargo.toml
@@ -31,7 +31,7 @@ snow = { version = "0.7.1", features = ["default-resolver"], default-features =
 async-io = "1.2.0"
 env_logger = "0.8.1"
 libp2p-tcp = { path = "../../transports/tcp" }
-quickcheck = "0.9.0"
+quickcheck = "1.0.3"
 sodiumoxide = "0.2.5"
 
 [build-dependencies]
diff --git a/transports/plaintext/Cargo.toml b/transports/plaintext/Cargo.toml
index 7749db2e829..5541f0b94b7 100644
--- a/transports/plaintext/Cargo.toml
+++ b/transports/plaintext/Cargo.toml
@@ -21,7 +21,7 @@ void = "1.0.2"
 
 [dev-dependencies]
 env_logger = "0.8.1"
-quickcheck = "0.9.0"
+quickcheck = "1.0.3"
 rand = "0.7"
 
 [build-dependencies]
diff --git a/transports/pnet/Cargo.toml b/transports/pnet/Cargo.toml
index 8512bfce2b0..55188117f0e 100644
--- a/transports/pnet/Cargo.toml
+++ b/transports/pnet/Cargo.toml
@@ -18,4 +18,4 @@ rand = "0.7"
 pin-project = "1.0.2"
 
 [dev-dependencies]
-quickcheck = "0.9.0"
+quickcheck = "1.0.3"