diff --git a/fog/ledger/enclave/trusted/Cargo.lock b/fog/ledger/enclave/trusted/Cargo.lock
index 53567cbc31..6e4f6e7baf 100644
--- a/fog/ledger/enclave/trusted/Cargo.lock
+++ b/fog/ledger/enclave/trusted/Cargo.lock
@@ -1545,9 +1545,9 @@ dependencies = [
 
 [[package]]
 name = "rand_hc"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
+checksum = "d51e9f596de227fda2ea6c84607f5558e196eeaf43c986b724ba4fb8fdf497e7"
 dependencies = [
  "rand_core",
 ]