diff --git a/ethers-contract/Cargo.toml b/ethers-contract/Cargo.toml
index 6a760542..cad215cb 100644
--- a/ethers-contract/Cargo.toml
+++ b/ethers-contract/Cargo.toml
@@ -18,7 +18,7 @@ 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 }
+thiserror = { version = "1.0", default-features = false }
 once_cell = { version = "1.11.0" }
 pin-project = {version = "1.0.7", default-features = false }
 futures-util = { version = "^0.3" }
diff --git a/ethers-core/Cargo.toml b/ethers-core/Cargo.toml
index 01b88aac..bc1af2fc 100644
--- a/ethers-core/Cargo.toml
+++ b/ethers-core/Cargo.toml
@@ -26,7 +26,7 @@ tiny-keccak = { version = "2.0.2", default-features = false }
 chrono = { version = "0.4", default-features = false }
 serde = { version = "1.0.124", default-features = false, features = ["derive"] }
 serde_json = { version = "1.0.64", default-features = false }
-thiserror = { version = "1.0.31", default-features = false }
+thiserror = { version = "1.0", default-features = false }
 bytes = { version = "1.1.0", features = ["serde"] }
 hex = { version = "0.4.3", default-features = false, features = ["std"] }
 once_cell = { version = "1.11.0", optional = true }
diff --git a/ethers-etherscan/Cargo.toml b/ethers-etherscan/Cargo.toml
index e5ee05d0..32611707 100644
--- a/ethers-etherscan/Cargo.toml
+++ b/ethers-etherscan/Cargo.toml
@@ -20,7 +20,7 @@ reqwest = { version = "0.11.10", default-features = false, features = ["json"] }
 serde = { version = "1.0.124", default-features = false, features = ["derive"] }
 serde_json = { version = "1.0.64", default-features = false }
 serde-aux = { version = "3.0.1", default-features = false }
-thiserror = "1.0.31"
+thiserror = "1.0"
 tracing = "0.1.34"
 semver = "1.0.9"
 
diff --git a/ethers-middleware/Cargo.toml b/ethers-middleware/Cargo.toml
index 6e8cc8f6..1c3081a2 100644
--- a/ethers-middleware/Cargo.toml
+++ b/ethers-middleware/Cargo.toml
@@ -22,7 +22,7 @@ ethers-signers = { version = "^0.6.0", path = "../ethers-signers", default-featu
 
 async-trait = { version = "0.1.50", default-features = false }
 serde = { version = "1.0.124", default-features = false, features = ["derive"] }
-thiserror = { version = "1.0.31", default-features = false }
+thiserror = { version = "1.0", default-features = false }
 futures-util = { version = "^0.3" }
 futures-locks = { version = "0.7" }
 tracing = { version = "0.1.34", default-features = false }
diff --git a/ethers-providers/Cargo.toml b/ethers-providers/Cargo.toml
index a0263d1c..22ba4046 100644
--- a/ethers-providers/Cargo.toml
+++ b/ethers-providers/Cargo.toml
@@ -21,7 +21,7 @@ hex = { version = "0.4.3", default-features = false, features = ["std"] }
 reqwest = { version = "0.11.10", default-features = false, features = ["json"] }
 serde = { version = "1.0.124", default-features = false, features = ["derive"] }
 serde_json = { version = "1.0.64", default-features = false, features = ["raw_value"] }
-thiserror = { version = "1.0.31", default-features = false }
+thiserror = { version = "1.0", default-features = false }
 url = { version = "2.2.2", default-features = false }
 auto_impl = { version = "0.5.0", default-features = false }
 http = { version = "0.2" }
diff --git a/ethers-solc/Cargo.toml b/ethers-solc/Cargo.toml
index fa822c65..aa7f20da 100644
--- a/ethers-solc/Cargo.toml
+++ b/ethers-solc/Cargo.toml
@@ -24,7 +24,7 @@ futures-util = { version = "^0.3", optional = true }
 once_cell = "1.11.0"
 regex = "1.5.5"
 md-5 = "0.10.1"
-thiserror = "1.0.31"
+thiserror = "1.0"
 hex = "0.4.3"
 colored = "2.0.0"
 glob = "0.3.0"