diff --git a/backend/requirements.txt b/backend/requirements.txt
index 5b4cf6a3ed..957fb6ae27 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -32,6 +32,7 @@ redis
 
 APScheduler==3.11.2
 RestrictedPython==8.1
+pytz==2025.2
 
 loguru==0.7.3
 asgiref==3.11.1
diff --git a/pyproject.toml b/pyproject.toml
index 2d70f23dc9..eeda46681f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,6 +38,7 @@ dependencies = [
     "pycrdt==0.12.46",
     "redis",
 
+    "pytz==2025.2",
     "APScheduler==3.11.2",
     "RestrictedPython==8.1",