diff --git a/tests/letstest/requirements.txt b/tests/letstest/requirements.txt
index d30c507cf..b49489283 100644
--- a/tests/letstest/requirements.txt
+++ b/tests/letstest/requirements.txt
@@ -1,23 +1,22 @@
-awscli==1.18.88
-bcrypt==3.1.7
-boto3==1.14.11
-botocore==1.17.11
-cffi==1.14.0
+awscli==1.19.36
+bcrypt==3.2.0
+boto3==1.17.36
+botocore==1.20.36
+cffi==1.14.5
 colorama==0.4.3
-cryptography==2.8
+cryptography==3.4.6
 docutils==0.15.2
-enum34==1.1.9
-fabric==2.5.0
-invoke==1.4.1
-ipaddress==1.0.23
-jmespath==0.9.5
-paramiko==2.7.1
+fabric==2.6.0
+invoke==1.5.0
+jmespath==0.10.0
+paramiko==2.7.2
+pathlib2==2.3.5
 pyasn1==0.4.8
-pycparser==2.19
-PyNaCl==1.3.0
+pycparser==2.20
+PyNaCl==1.4.0
 python-dateutil==2.8.1
-PyYAML==5.3
-rsa==3.4.2
-s3transfer==0.3.3
-six==1.14.0
-urllib3==1.25.8
+PyYAML==5.4.1
+rsa==4.5
+s3transfer==0.3.6
+six==1.15.0
+urllib3==1.26.4