diff --git a/requirements.txt b/requirements.txt
index 2254971..15ef38a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,11 +16,11 @@ pickleshare==0.7.5
 prompt-toolkit==2.0.9
 ptyprocess==0.6.0
 Pygments==2.4.2
-python-dateutil==2.8.0
+python-dateutil==2.8.1
 python-Levenshtein==0.12.0
-pytz==2019.2
-regex==2019.8.19
-six==1.12.0
+pytz==2019.3
+regex==2019.11.1
+six==1.13.0
 timezonefinder==4.1.0
 traitlets==4.3.2
 tzlocal==2.0.0
diff --git a/setup.py b/setup.py
index fb8fbad..7bd7e64 100644
--- a/setup.py
+++ b/setup.py
@@ -20,11 +20,11 @@ def gen_from_file():
             'prompt-toolkit==2.0.9',
             'ptyprocess==0.6.0',
             'Pygments==2.4.2',
-            'python-dateutil==2.8.0',
+            'python-dateutil==2.8.1',
             'python-Levenshtein==0.12.0',
-            'pytz==2019.2',
-            'regex==2019.8.19',
-            'six==1.12.0',
+            'pytz==2019.3',
+            'regex==2019.11.1',
+            'six==1.13.0',
             'timezonefinder==4.1.0',
             'traitlets==4.3.2',
             'tzlocal==2.0.0',