diff --git a/deps/aws-lambda-cpp-0.2.6.tar.gz b/deps/aws-lambda-cpp-0.2.6.tar.gz
index 26fa498..fd8aafb 100644
Binary files a/deps/aws-lambda-cpp-0.2.6.tar.gz and b/deps/aws-lambda-cpp-0.2.6.tar.gz differ
diff --git a/deps/curl-7.83.1.tar.gz b/deps/curl-7.83.1.tar.gz
deleted file mode 100644
index b71926a..0000000
Binary files a/deps/curl-7.83.1.tar.gz and /dev/null differ
diff --git a/deps/curl-7.85.0.tar.gz b/deps/curl-7.85.0.tar.gz
new file mode 100644
index 0000000..ad8994c
Binary files /dev/null and b/deps/curl-7.85.0.tar.gz differ
diff --git a/deps/versions b/deps/versions
index 63b0efc..3a6f5a5 100644
--- a/deps/versions
+++ b/deps/versions
@@ -1,4 +1,5 @@
 AWS_LAMBDA_CPP_RELEASE=0.2.6
 CURL_MAJOR_VERSION=7
-CURL_MINOR_VERSION=83
-CURL_PATCH_VERSION=1
+CURL_MINOR_VERSION=85
+CURL_PATCH_VERSION=0
+
diff --git a/scripts/preinstall.sh b/scripts/preinstall.sh
index b377228..b9ad122 100755
--- a/scripts/preinstall.sh
+++ b/scripts/preinstall.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 # Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
-set -e
+set -xe
 
 ARTIFACTS_DIR=$(pwd)/deps/artifacts