diff --git a/Cargo.lock b/Cargo.lock
index 9a19d35f8..626678b41 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -163,9 +163,9 @@ dependencies = [
 
 [[package]]
 name = "itertools"
-version = "0.10.0"
+version = "0.10.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37d572918e350e82412fe766d24b15e6682fb2ed2bbe018280caa810397cb319"
+checksum = "a9a9d19fa1e79b6215ff29b9d6880b706147f16e9b1dbb1e4e5947b5b02bc5e3"
 dependencies = [
  "either",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index a56f92cac..b4bd8002c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,7 +26,7 @@ rand = { version = "0.8", features = ["getrandom", "small_rng"], optional = true
 tokio = { version = "1.5.0", optional = true }
 
 [dev-dependencies]
-itertools = "0.10.0"
+itertools = "0.10.3"
 lazy_static = "1"
 quickcheck = "1.0.3"
 tokio = { version = "1.5.0", features = ["io-util", "macros", "rt-multi-thread"] }