diff --git a/backend/requirements.txt b/backend/requirements.txt
index cd2d8e3..4bba790 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,21 +1,10 @@
-aioredis==1.3.1
-asgiref==3.5.2
-async-timeout==4.0.2
-attrs==21.4.0
-autobahn==22.5.1
-Automat==20.2.0
+asgiref==3.3.4
 certifi==2021.5.30
-cffi==1.15.0
-channels==3.0.5
-channels-redis==3.4.1
 chardet==4.0.0
-constantly==15.1.0
 coreapi==2.3.3
 coreschema==0.0.4
-cryptography==37.0.3
-daphne==3.0.2
 Django==3.2.3
-django-comment-migrate==0.1.1
+django-comment-migrate==0.1.5
 django-cors-headers==3.10.1
 django-filter==21.1
 django-ranged-response==0.2.0
@@ -25,25 +14,15 @@ django-timezone-field==4.2.3
 djangorestframework==3.12.4
 djangorestframework-simplejwt==5.1.0
 drf-yasg==1.20.0
-et-xmlfile==1.1.0
-hiredis==2.0.0
-hyperlink==21.0.0
 idna==2.10
-incremental==21.3.0
 inflection==0.5.1
 itypes==1.2.0
 Jinja2==3.0.1
 MarkupSafe==2.0.1
-msgpack==1.0.4
 mysqlclient==2.0.3
-openpyxl==3.0.9
 packaging==20.9
 Pillow==8.3.1
-pyasn1==0.4.8
-pyasn1-modules==0.2.8
-pycparser==2.21
 PyJWT==2.1.0
-pyOpenSSL==22.0.0
 pyparsing==2.4.7
 pyPEG2==2.15.2
 pypinyin==0.46.0
@@ -51,13 +30,9 @@ pytz==2021.1
 requests==2.25.1
 ruamel.yaml==0.17.10
 ruamel.yaml.clib==0.2.4
-service-identity==21.1.0
 six==1.16.0
 smmap==4.0.0
 sqlparse==0.4.1
-Twisted==22.4.0
-twisted-iocpsupport==1.0.2
-txaio==22.2.1
 typing-extensions==3.10.0.0
 tzlocal==2.1
 ua-parser==0.10.0
@@ -65,4 +40,6 @@ uritemplate==3.0.1
 urllib3==1.26.6
 user-agents==2.2.0
 whitenoise==5.3.0
-zope.interface==5.4.0
+openpyxl==3.0.9
+channels==3.0.5
+channels-redis==3.4.1
\ No newline at end of file