diff --git a/requirements/base.txt b/requirements/base.txt
index b6ea5d6ee5..570a66fefd 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -1,16 +1,16 @@
 six~=1.11.0
 chevron~=0.12
-click~=6.7
+click~=7.0
 enum34~=1.1.6; python_version<"3.4"
 Flask~=1.0.2
 boto3~=1.9, >=1.9.56
-PyYAML~=3.12
+PyYAML~=5.1
 cookiecutter~=1.6.0
 aws-sam-translator==1.10.0
-docker~=3.7.0
+docker~=4.0
 dateparser~=0.7
 python-dateutil~=2.6
 pathlib2~=2.3.2; python_version<"3.4"
 requests==2.22.0
-serverlessrepo==0.1.8
+serverlessrepo==0.1.9
 aws_lambda_builders==0.3.0