diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 7b1a761..e9ac42f 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -7,7 +7,7 @@ dependencies = [
   "Flask-Cors>=4.0.1",
   "Flask-Migrate>=4.0.7",
   "Flask-SQLAlchemy>=3.1.1",
-  "python-dotenv>=1.0.1",
+  "python-dotenv>=1.2.1",
   "SQLAlchemy>=2.0.16",
   "python-dateutil>=2.9.0",
   "Authlib>=1.3.2",
diff --git a/backend/requirements.txt b/backend/requirements.txt
index fa56c2a..dcced57 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -2,7 +2,7 @@ Flask==3.1.0
 Flask-SQLAlchemy==3.1.1
 Flask-Migrate==4.0.7
 Flask-Cors==4.0.1
-python-dotenv==1.0.1
+python-dotenv==1.2.1
 Pillow==11.1.0
 pillow-heif==0.21.0
 python-dateutil==2.9.0