Freeze requirements

requirements.txt

@@ -10,11 +10,11 @@ Flask-Login==0.4.1
 
 blinker==1.4
 pyexcel==0.5.13
-pyexcel-io==0.5.16
+pyexcel-io==0.5.17
 pyexcel-xls==0.5.8
 pyexcel-xlsx==0.5.7
 pyexcel-ods3==0.5.3
-pytz==2018.9
+pytz==2019.1
 gunicorn==19.7.1  # pyup: ignore, >19.8 breaks eventlet patching
 eventlet==0.24.1
 notifications-python-client==5.3.0
@@ -28,10 +28,10 @@ itsdangerous==0.24  # pyup: <1.0.0
 git+https://github.com/alphagov/notifications-utils.git@31.2.4#egg=notifications-utils==31.2.4
 
 ## The following requirements were added by pip freeze:
-awscli==1.16.136
+awscli==1.16.140
 bleach==3.1.0
 boto3==1.6.16
-botocore==1.12.126
+botocore==1.12.130
 certifi==2019.3.9
 chardet==3.0.4
 Click==7.0
@@ -45,7 +45,7 @@ future==0.17.1
 greenlet==0.4.15
 idna==2.8
 jdcal==1.4
-Jinja2==2.10
+Jinja2==2.10.1
 jmespath==0.9.4
 lml==0.0.9
 lxml==4.3.3
@@ -72,7 +72,7 @@ statsd==3.3.0
 texttable==1.6.1
 urllib3==1.24.1
 webencodings==0.5.1
-Werkzeug==0.15.1
+Werkzeug==0.15.2
 WTForms==2.2.1
 xlrd==1.2.0
 xlwt==1.3.0