diff --git a/Cargo.lock b/Cargo.lock
index 8bb9ec50b4..f92370af8e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1643,9 +1643,9 @@ dependencies = [
 
 [[package]]
 name = "either"
-version = "1.8.0"
+version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90e5c1c8368803113bf0c9584fc495a58b86dc8a29edbf8fe877d21d9507e797"
+checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91"
 
 [[package]]
 name = "encode_unicode"
diff --git a/Cargo.toml b/Cargo.toml
index f448d39c57..847a007fed 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -180,7 +180,7 @@ dlopen_derive = "0.1.4"
 eager = "0.1.0"
 ed25519-dalek = "=1.0.1"
 ed25519-dalek-bip32 = "0.2.0"
-either = "1.7.0"
+either = "1.8.1"
 enum-iterator = "1.2.0"
 env_logger = "0.9.3"
 etcd-client = "0.8.1"
diff --git a/programs/sbf/Cargo.lock b/programs/sbf/Cargo.lock
index 33f90f4039..657950bcf1 100644
--- a/programs/sbf/Cargo.lock
+++ b/programs/sbf/Cargo.lock
@@ -1446,9 +1446,9 @@ dependencies = [
 
 [[package]]
 name = "either"
-version = "1.8.0"
+version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90e5c1c8368803113bf0c9584fc495a58b86dc8a29edbf8fe877d21d9507e797"
+checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91"
 
 [[package]]
 name = "elf"