diff --git a/README.md b/README.md
index 1bdc10e..af37a45 100644
--- a/README.md
+++ b/README.md
@@ -4,4 +4,6 @@
 
 ## Requirements
 
-- Python 3.7 or 3.8
+- Python 3.9+
+- python-o365
+- pendulum
diff --git a/requirements.txt b/requirements.txt
index 199b0d2..4a88d92 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,20 +1,18 @@
-backports.zoneinfo==0.2.1
 beautifulsoup4==4.12.2
-certifi==2023.7.22
-charset-normalizer==3.2.0
-idna==3.4
-O365==2.0.27
+certifi==2023.11.17
+charset-normalizer==3.3.2
+idna==3.6
+O365==2.0.31
 oauthlib==3.2.2
 pendulum==2.1.2
 python-dateutil==2.8.2
-pytz==2023.3
 pytz-deprecation-shim==0.1.0.post0
 pytzdata==2020.1
 requests==2.31.0
 requests-oauthlib==1.3.1
 six==1.16.0
-soupsieve==2.4.1
+soupsieve==2.5
 stringcase==1.2.0
 tzdata==2023.3
-tzlocal==4.3
-urllib3==2.0.4
+tzlocal==4.3.1
+urllib3==2.1.0