diff --git a/core/Cargo.toml b/core/Cargo.toml
index f0197b675d0..d2727b59e5d 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -50,7 +50,7 @@ libp2p-mplex = { path = "../muxers/mplex" }
 libp2p-noise = { path = "../transports/noise" }
 libp2p-tcp = { path = "../transports/tcp" }
 multihash = { version = "0.16", default-features = false, features = ["arb"] }
-quickcheck = "0.9.0"
+quickcheck = "1.0.3"
 rand07 = { package = "rand", version = "0.7" }
 rmp-serde = "1.0"
 serde_json = "1.0"
diff --git a/misc/multistream-select/Cargo.toml b/misc/multistream-select/Cargo.toml
index 9ca21c0362a..8718c6e3c61 100644
--- a/misc/multistream-select/Cargo.toml
+++ b/misc/multistream-select/Cargo.toml
@@ -25,6 +25,6 @@ libp2p-core = { path = "../../core", default-features = false }
 libp2p-swarm = { path = "../../swarm", default-features = false }
 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 = { version = "0.3.0", path = "../../misc/rw-stream-sink" }
diff --git a/muxers/mplex/Cargo.toml b/muxers/mplex/Cargo.toml
index ac053a5020f..6cb1c0ba757 100644
--- a/muxers/mplex/Cargo.toml
+++ b/muxers/mplex/Cargo.toml
@@ -29,7 +29,7 @@ env_logger = "0.9"
 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 5c7f2a16e8f..bf7005c2be1 100644
--- a/protocols/gossipsub/Cargo.toml
+++ b/protocols/gossipsub/Cargo.toml
@@ -40,7 +40,7 @@ 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 = "0.11.1"
 
diff --git a/protocols/kad/Cargo.toml b/protocols/kad/Cargo.toml
index d1910dccbbb..8a5188266f4 100644
--- a/protocols/kad/Cargo.toml
+++ b/protocols/kad/Cargo.toml
@@ -37,7 +37,7 @@ env_logger = "0.9.0"
 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 = "0.11"
diff --git a/protocols/ping/Cargo.toml b/protocols/ping/Cargo.toml
index 14984332db7..98bc3ddd555 100644
--- a/protocols/ping/Cargo.toml
+++ b/protocols/ping/Cargo.toml
@@ -26,4 +26,4 @@ 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 e2829f80093..db40f7c4a68 100644
--- a/swarm/Cargo.toml
+++ b/swarm/Cargo.toml
@@ -31,5 +31,5 @@ libp2p = { path = "../", default-features = false, features = ["identify", "ping
 libp2p-mplex = { path = "../muxers/mplex" }
 libp2p-noise = { path = "../transports/noise" }
 libp2p-tcp = { path = "../transports/tcp" }
-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 4ac8661d0a3..2a66908db74 100644
--- a/transports/deflate/Cargo.toml
+++ b/transports/deflate/Cargo.toml
@@ -18,5 +18,5 @@ 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 708b3eb286e..3ef4b724a25 100644
--- a/transports/noise/Cargo.toml
+++ b/transports/noise/Cargo.toml
@@ -32,7 +32,7 @@ snow = { version = "0.9.0", features = ["default-resolver"], default-features =
 async-io = "1.2.0"
 env_logger = "0.9.0"
 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 354782d9253..da2cac8703e 100644
--- a/transports/plaintext/Cargo.toml
+++ b/transports/plaintext/Cargo.toml
@@ -22,7 +22,7 @@ void = "1.0.2"
 
 [dev-dependencies]
 env_logger = "0.9.0"
-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 b674f18ab97..0b92705f6d8 100644
--- a/transports/pnet/Cargo.toml
+++ b/transports/pnet/Cargo.toml
@@ -19,4 +19,4 @@ rand = "0.7"
 pin-project = "1.0.2"
 
 [dev-dependencies]
-quickcheck = "0.9.0"
+quickcheck = "1.0.3"