diff --git a/eth2/state_processing/Cargo.toml b/eth2/state_processing/Cargo.toml
index 633c5bfef..1e2943199 100644
--- a/eth2/state_processing/Cargo.toml
+++ b/eth2/state_processing/Cargo.toml
@@ -13,7 +13,7 @@ criterion = "0.2"
 env_logger = "0.6.0"
 serde = "1.0"
 serde_derive = "1.0"
-lazy_static = "0.1"
+lazy_static = "1.4"
 serde_yaml = "0.8"
 eth2_ssz = { path = "../utils/ssz" }
 beacon_chain = { path = "../../beacon_node/beacon_chain" }
diff --git a/eth2/utils/tree_hash/Cargo.toml b/eth2/utils/tree_hash/Cargo.toml
index 2ef338502..6cb18648d 100644
--- a/eth2/utils/tree_hash/Cargo.toml
+++ b/eth2/utils/tree_hash/Cargo.toml
@@ -19,4 +19,4 @@ types = { path = "../../types" }
 [dependencies]
 ethereum-types = "0.6"
 eth2_hashing = "0.1"
-lazy_static = "0.1"
+lazy_static = "1.4"