diff --git a/openmls/Cargo.toml b/openmls/Cargo.toml
index c0c3a9456d..a0b50aa0a6 100644
--- a/openmls/Cargo.toml
+++ b/openmls/Cargo.toml
@@ -23,7 +23,7 @@ rand = { version = "0.8", optional = true }
 # We enable the feature here because other dependencies need getrandom.
 getrandom = { version = "0.2", features = ["js"] }
 # Crypto backends required for KAT and testing - "test-utils" feature
-itertools = { version = "0.10", optional = true }
+itertools = { version = "0.12", optional = true }
 openmls_rust_crypto = { version = "0.1.0", path = "../openmls_rust_crypto", optional = true }
 openmls_evercrypt = { version = "0.1.0", path = "../evercrypt_backend", optional = true }
 rstest = {version = "^0.15", optional = true}
@@ -52,7 +52,7 @@ content-debug = [] # ☣️ Enable logging of sensitive message content
 [dev-dependencies]
 criterion = "^0.3"
 pretty_env_logger = "0.4"
-itertools = "0.10"
+itertools = "0.12"
 openmls = { path = ".", features = ["test-utils"] }
 tempfile = "3"
 rstest = "^0.15"