diff --git a/Cargo.lock b/Cargo.lock
index 68ce1317..1f4b5336 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2328,9 +2328,9 @@ checksum = "830b246a0e5f20af87141b25c173cd1b609bd7779a4617d6ec582abaf90870f3"
 
 [[package]]
 name = "once_cell"
-version = "1.10.0"
+version = "1.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87f3e037eac156d1775da914196f0f37741a274155e34a0b7e427c35d2a2ecb9"
+checksum = "7b10983b38c53aebdf33f542c6275b0f58a238129d00c4ae0e6fb59738d783ca"
 
 [[package]]
 name = "oorandom"
diff --git a/ethers-addressbook/Cargo.toml b/ethers-addressbook/Cargo.toml
index 15ec1b64..dde2cb12 100644
--- a/ethers-addressbook/Cargo.toml
+++ b/ethers-addressbook/Cargo.toml
@@ -10,7 +10,7 @@ repository = "https://github.com/gakonst/ethers-rs"
 keywords = ["ethereum", "web3", "celo", "ethers"]
 
 [dependencies]
-once_cell = "1.10.0"
+once_cell = "1.11.0"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 
diff --git a/ethers-contract/Cargo.toml b/ethers-contract/Cargo.toml
index 1f0cd464..6a760542 100644
--- a/ethers-contract/Cargo.toml
+++ b/ethers-contract/Cargo.toml
@@ -19,7 +19,7 @@ ethers-derive-eip712 = { version = "^0.2.0", path = "../ethers-core/ethers-deriv
 serde = { version = "1.0.124", default-features = false }
 serde_json = { version = "1.0.64", default-features = false }
 thiserror = { version = "1.0.31", default-features = false }
-once_cell = { version = "1.10.0" }
+once_cell = { version = "1.11.0" }
 pin-project = {version = "1.0.7", default-features = false }
 futures-util = { version = "^0.3" }
 hex = { version = "0.4.3", default-features = false, features = ["std"] }
diff --git a/ethers-core/Cargo.toml b/ethers-core/Cargo.toml
index 8bdafe87..01b88aac 100644
--- a/ethers-core/Cargo.toml
+++ b/ethers-core/Cargo.toml
@@ -29,7 +29,7 @@ serde_json = { version = "1.0.64", default-features = false }
 thiserror = { version = "1.0.31", default-features = false }
 bytes = { version = "1.1.0", features = ["serde"] }
 hex = { version = "0.4.3", default-features = false, features = ["std"] }
-once_cell = { version = "1.10.0", optional = true }
+once_cell = { version = "1.11.0", optional = true }
 unicode-xid = "0.2.3"
 strum = { version = "0.24", features = ["derive"] }
 
@@ -44,7 +44,7 @@ proc-macro2 = { version = "1.0.39", optional = true }
 [dev-dependencies]
 serde_json = { version = "1.0.64", default-features = false }
 bincode = { version = "1.3.3", default-features = false }
-once_cell = { version = "1.10.0" }
+once_cell = { version = "1.11.0" }
 hex-literal = "0.3.4"
 rand = "0.8.5"
 
diff --git a/ethers-middleware/Cargo.toml b/ethers-middleware/Cargo.toml
index 8da735d7..6e8cc8f6 100644
--- a/ethers-middleware/Cargo.toml
+++ b/ethers-middleware/Cargo.toml
@@ -42,7 +42,7 @@ tokio = { version = "1.5" }
 hex = { version = "0.4.3", default-features = false, features = ["std"] }
 rand = { version = "0.8.5", default-features = false }
 ethers-providers = { version = "^0.6.0", path = "../ethers-providers", default-features = false, features = ["ws", "rustls"] }
-once_cell = "1.10.0"
+once_cell = "1.11.0"
 ethers-solc = { version = "^0.3.0", path = "../ethers-solc", default-features = false }
 serial_test = "0.6.0"
 
diff --git a/ethers-providers/Cargo.toml b/ethers-providers/Cargo.toml
index abbb3fa7..a0263d1c 100644
--- a/ethers-providers/Cargo.toml
+++ b/ethers-providers/Cargo.toml
@@ -39,7 +39,7 @@ tracing = { version = "0.1.34", default-features = false }
 tracing-futures = { version = "0.2.5", default-features = false, features = ["std-future"] }
 
 bytes = { version  = "1.1.0", default-features = false, optional = true }
-once_cell = "1.10.0"
+once_cell = "1.11.0"
 hashers = "1.0.1"
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
diff --git a/ethers-solc/Cargo.toml b/ethers-solc/Cargo.toml
index 45350789..fa822c65 100644
--- a/ethers-solc/Cargo.toml
+++ b/ethers-solc/Cargo.toml
@@ -21,7 +21,7 @@ semver = { version = "1.0.9", features = ["serde"] }
 walkdir = "2.3.2"
 tokio = { version = "1.15.0", default-features = false, features = ["rt"] }
 futures-util = { version = "^0.3", optional = true }
-once_cell = "1.10.0"
+once_cell = "1.11.0"
 regex = "1.5.5"
 md-5 = "0.10.1"
 thiserror = "1.0.31"