diff --git a/rand_isaac/Cargo.toml b/rand_isaac/Cargo.toml
index 6af3a691..27add2f0 100644
--- a/rand_isaac/Cargo.toml
+++ b/rand_isaac/Cargo.toml
@@ -29,4 +29,4 @@ serde_arrays = { version = "0.2.0", optional = true }
 [dev-dependencies]
 # This is for testing serde, unfortunately we can't specify feature-gated dev
 # deps yet, see: https://github.com/rust-lang/cargo/issues/1596
-bincode = "1.1.4"
+bincode = "3.0.0"
diff --git a/rand_xorshift/Cargo.toml b/rand_xorshift/Cargo.toml
index 68ecf48d..f746a787 100644
--- a/rand_xorshift/Cargo.toml
+++ b/rand_xorshift/Cargo.toml
@@ -28,4 +28,4 @@ serde = { version = "1.0.118", default-features = false, features = ["derive"],
 [dev-dependencies]
 # This is for testing serde, unfortunately we can't specify feature-gated dev
 # deps yet, see: https://github.com/rust-lang/cargo/issues/1596
-bincode = "1"
+bincode = "3"
diff --git a/rand_xoshiro/Cargo.toml b/rand_xoshiro/Cargo.toml
index 543eac71..b27b74ca 100644
--- a/rand_xoshiro/Cargo.toml
+++ b/rand_xoshiro/Cargo.toml
@@ -26,4 +26,4 @@ serde = { version = "1", features = ["derive"], optional=true }
 [dev-dependencies]
 # This is for testing serde, unfortunately we can't specify feature-gated dev
 # deps yet, see: https://github.com/rust-lang/cargo/issues/1596
-bincode = { version = "1" }
+bincode = { version = "3" }