pin versions (#718)

requirements.txt

@@ -1,33 +1,21 @@
 Django==3.1.12
 djangorestframework==3.12.2
 django-allauth==0.44.0
-
 psycopg2-binary==2.8.6
-
 uwsgi==2.0.19.1
-
 django-redis==4.12.1
 celery==4.4.7
-
 drf-yasg==1.20.0
-
 Pillow==8.2.0
-django-imagekit
-
-markdown
-django-filter
-
-filetype
-django-mptt
-
-django-crispy-forms
-
+django-imagekit==4.1.0
+markdown==3.3.6
+django-filter==21.1
+filetype==1.0.10
+django-mptt==0.13.4
+django-crispy-forms==1.13.0
 requests==2.25.0
-
-django-celery-email
-m3u8
-
-django-ckeditor
+django-celery-email==3.0.0
+m3u8==1.0.0
+django-ckeditor==6.2.0
 django-debug-toolbar==3.2.4
-
 django-login-required-middleware==0.6.1