diff --git a/Cargo.lock b/Cargo.lock
index 9363eb707d3c..a674b336ebbe 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6154,9 +6154,9 @@ dependencies = [
 
 [[package]]
 name = "signature"
-version = "1.2.2"
+version = "1.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29f060a7d147e33490ec10da418795238fd7545bba241504d6b31a409f2e6210"
+checksum = "74233d3b3b2f6d4b006dc19dee745e73e2a6bfb6f93607cd3b02bd5b00797d7c"
 
 [[package]]
 name = "simplelog"