diff --git a/consensus/enclave/trusted/Cargo.lock b/consensus/enclave/trusted/Cargo.lock
index 1171a0efb9..bcedba810d 100644
--- a/consensus/enclave/trusted/Cargo.lock
+++ b/consensus/enclave/trusted/Cargo.lock
@@ -102,9 +102,9 @@ checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "base64"
-version = "0.13.0"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
+checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
 [[package]]
 name = "bindgen"