diff --git a/Cargo.lock b/Cargo.lock
index d71390cfbb6..e273b4dd9bb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1609,7 +1609,7 @@ dependencies = [
  "strum_macros",
  "test-store",
  "thiserror",
- "tiny-keccak 1.5.0",
+ "tiny-keccak 2.0.2",
  "tokio 0.2.25",
  "tokio-retry",
  "tokio-stream",
@@ -1650,7 +1650,7 @@ dependencies = [
  "serde",
  "state_machine_future",
  "test-store",
- "tiny-keccak 1.5.0",
+ "tiny-keccak 2.0.2",
  "web3",
 ]
 
diff --git a/chain/ethereum/Cargo.toml b/chain/ethereum/Cargo.toml
index fa3a7021e0a..6484d7c3613 100644
--- a/chain/ethereum/Cargo.toml
+++ b/chain/ethereum/Cargo.toml
@@ -15,7 +15,7 @@ state_machine_future = "0.2"
 serde = "1.0"
 dirs-next = "2.0"
 anyhow = "1.0"
-tiny-keccak = "1.5.0"
+tiny-keccak = "2.0.2"
 hex = "0.4.3"
 
 # master contains changes such as
diff --git a/graph/Cargo.toml b/graph/Cargo.toml
index dd2ae5003bc..bcbe6e26c0a 100644
--- a/graph/Cargo.toml
+++ b/graph/Cargo.toml
@@ -46,7 +46,7 @@ slog-async = "2.5.0"
 slog-envlogger = "2.1.0"
 slog-term = "2.7.0"
 petgraph = "0.5.1"
-tiny-keccak = "1.5.0"
+tiny-keccak = "2.0.2"
 tokio = { version = "0.2.25", features = ["stream", "rt-threaded", "rt-util", "blocking", "time", "sync", "macros", "test-util", "net"] }
 tokio-stream = { version = "0.1.6", features = ["sync"] }
 tokio-retry = { git = "https://github.com/graphprotocol/rust-tokio-retry", branch = "update-to-tokio-02" }