update requirement (#1289)

deployment/docker/REQUIREMENTS.txt

@@ -1,15 +1,15 @@
-psycopg2-binary
+psycopg2-binary==2.8.6
 Django==2.2.13
 django-countries==5.5
 django-crispy-forms==1.8.1
 django-braces==1.13.0
 django-model-utils==1.4.0
 django-pipeline==1.6.14
-django-pure-pagination
+django-pure-pagination==0.3.0
 django-reversion==3.0.5
 markdown==3.1.1
 
-easy-thumbnails
+easy-thumbnails==2.7.1
 django-widget-tweaks==1.3
 raven==6.5.0
 requests==2.20.1
@@ -26,7 +26,7 @@ django-rosetta==0.9.3
 # youtube embed
 django-embed-video==1.0.0
 django-grappelli==2.13.2
-pytz
+pytz==2020.5
 django-allauth==0.44.0
 # support special characters
 Unidecode==0.4.20
@@ -43,4 +43,4 @@ django-preferences==1.0.0
 pinax-notifications==5.0.3
 pinax-templates==2.0.2
 # rich text editor
-django-tinymce
+django-tinymce==3.2.0