diff --git a/sandbox/requirements.txt b/sandbox/requirements.txt
index dfdc344f..e27ebaf4 100644
--- a/sandbox/requirements.txt
+++ b/sandbox/requirements.txt
@@ -1,17 +1,20 @@
-astroid==1.4.9
-asttokens==1.1.4
+astroid==1.6.6
+asttokens==2.0.5
+backports.functools-lru-cache==1.6.4
 chardet==2.3.0
+enum34==1.1.10
 html5lib==0.999999999
 iso8601==0.1.12
 json_table_schema==0.2.1
-lazy_object_proxy==1.2.2
+lazy_object_proxy==1.6.0
 messytables==0.15.2
 python_dateutil==2.6.0
 python_magic==0.4.12
 roman==2.0.0
-six==1.10.0
+singledispatch==3.6.2
+six==1.16.0
 sortedcontainers==1.5.7
 webencodings==0.5
-wrapt==1.10.8
+wrapt==1.12.1
 xlrd==1.2.0
 unittest-xml-reporting==2.0.0