diff --git a/Gemfile.lock b/Gemfile.lock
index 203dc2b23..ffcd2e604 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -96,7 +96,7 @@ GEM
       ruby-next-core (>= 0.14.0)
     ast (2.4.2)
     aws-eventstream (1.2.0)
-    aws-sigv4 (1.5.1)
+    aws-sigv4 (1.6.0)
       aws-eventstream (~> 1, >= 1.0.2)
     aws_cf_signer (0.1.3)
     backport (1.2.0)
@@ -920,7 +920,7 @@ GEM
     validate_url (1.0.15)
       activemodel (>= 3.0.0)
       public_suffix
-    vault (0.17.0)
+    vault (0.18.1)
       aws-sigv4
     vcr (6.2.0)
     version_gem (1.1.1)
diff --git a/vendor/cache/aws-sigv4-1.5.1.gem b/vendor/cache/aws-sigv4-1.5.1.gem
deleted file mode 100644
index bbc7473fe..000000000
Binary files a/vendor/cache/aws-sigv4-1.5.1.gem and /dev/null differ
diff --git a/vendor/cache/aws-sigv4-1.6.0.gem b/vendor/cache/aws-sigv4-1.6.0.gem
new file mode 100644
index 000000000..a42200720
Binary files /dev/null and b/vendor/cache/aws-sigv4-1.6.0.gem differ
diff --git a/vendor/cache/vault-0.17.0.gem b/vendor/cache/vault-0.17.0.gem
deleted file mode 100644
index 40841d3c5..000000000
Binary files a/vendor/cache/vault-0.17.0.gem and /dev/null differ
diff --git a/vendor/cache/vault-0.18.1.gem b/vendor/cache/vault-0.18.1.gem
new file mode 100644
index 000000000..adf3522b4
Binary files /dev/null and b/vendor/cache/vault-0.18.1.gem differ