update dependencies.

Pipfile

@@ -9,43 +9,43 @@ verify_ssl = true
 name = "piwheels"
 
 [packages]
-django = "~=3.1"
-pillow = "*"
-dateparser = "~=0.7"
+dateparser = "~=0.7.6"
+django = "~=3.1.3"
 django-cors-headers = "*"
-djangorestframework = "~=3.12"
-python-gnupg = "*"
-python-dotenv = "*"
-filemagic = "*"
-pyocr = "~=0.7"
+django-extensions = "*"
+django-filter = "~=2.4.0"
+django-q = "~=1.3.4"
+djangorestframework = "~=3.12.2"
+fuzzywuzzy = "*"
+gunicorn = "*"
+imap-tools = "*"
 langdetect = "*"
 pdftotext = "*"
-django-filter = "~=2.4"
-python-dateutil = "*"
-psycopg2-binary = "*"
-scikit-learn="~=0.23"
-whoosh="~=2.7"
-gunicorn = "*"
-whitenoise = "~=5.2"
-fuzzywuzzy = "*"
-python-Levenshtein = "*"
-django-extensions = "*"
-watchdog = "*"
 pathvalidate = "*"
-django-q = "*"
+pillow = "*"
+pyocr = "~=0.7.2"
+python-gnupg = "*"
+python-dotenv = "*"
+python-dateutil = "*"
+python-Levenshtein = "*"
+python-magic = "*"
+psycopg2-binary = "*"
 redis = "*"
-imap-tools = "*"
+scikit-learn="~=0.23.2"
+whitenoise = "~=5.2.0"
+watchdog = "*"
+whoosh="~=2.7.4"
 
 [dev-packages]
 coveralls = "*"
 factory-boy = "*"
-sphinx = "~=3.3"
-tox = "*"
 pycodestyle = "*"
 pytest = "*"
 pytest-cov = "*"
 pytest-django = "*"
-pytest-sugar = "*"
 pytest-env = "*"
+pytest-sugar = "*"
 pytest-xdist = "*"
+sphinx = "~=3.3"
 sphinx_rtd_theme = "*"
+tox = "*"