diff --git a/backend/requirements.txt b/backend/requirements.txt
index abcea62..729ba2e 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,36 +1,36 @@
-autopep8==2.0.2
-beautifulsoup4==4.12.0
-bs4==0.0.1
-certifi==2022.12.7
-charset-normalizer==3.1.0
-click==8.1.3
-flake8==6.0.0
-Flask==2.3.2
-Flask-BasicAuth==0.2.0
-greenlet==2.0.2
-gunicorn==20.1.0
-idna==3.4
-itsdangerous==2.1.2
-Jinja2==3.1.2
-mariadb==1.1.6
-MarkupSafe==2.1.2
-mccabe==0.7.0
-mysql==0.0.3
-mysqlclient==2.1.1
-numpy==1.24.2
-packaging==23.0
-pandas==1.5.3
-pycodestyle==2.10.0
-pyflakes==3.0.1
-PyMySQL==1.0.3
-python-dateutil==2.8.2
-pytz==2023.3
-requests==2.31.0
-six==1.16.0
-soupsieve==2.4
-SQLAlchemy==2.0.7
-toml==0.10.2
-tomli==2.0.1
-typing_extensions==4.5.0
-urllib3==1.26.15
-Werkzeug==3.0.0
+autopep8~=2.0.2
+beautifulsoup4~=4.12.0
+bs4~=0.0.1
+certifi~=2022.12.7
+charset-normalizer~=3.1.0
+click~=8.1.3
+flake8~=6.0.0
+Flask~=2.3.2
+Flask-BasicAuth~=0.2.0
+greenlet~=2.0.2
+gunicorn~=20.1.0
+idna~=3.4
+itsdangerous~=2.1.2
+Jinja2~=3.1.2
+mariadb~=1.1.6
+MarkupSafe~=2.1.2
+mccabe~=0.7.0
+mysql~=0.0.3
+mysqlclient~=2.1.1
+numpy~=1.24.2
+packaging~=23.0
+pandas~=1.5.3
+pycodestyle~=2.10.0
+pyflakes~=3.0.1
+PyMySQL~=1.0.3
+python-dateutil~=2.8.2
+pytz~=2023.3
+requests~=2.31.0
+six~=1.16.0
+soupsieve~=2.4
+SQLAlchemy~=2.0.7
+toml~=0.10.2
+tomli~=2.0.1
+typing_extensions~=4.5.0
+urllib3~=1.26.15
+Werkzeug~=3.0.0