diff --git a/.git-rewrite/t/backend/lambda/layers/requirements-layer.txt b/.git-rewrite/t/backend/lambda/layers/requirements-layer.txt
index 260e94a9..722006b5 100644
--- a/.git-rewrite/t/backend/lambda/layers/requirements-layer.txt
+++ b/.git-rewrite/t/backend/lambda/layers/requirements-layer.txt
@@ -6,7 +6,7 @@
 #
 # pg8000: pure-Python PostgreSQL driver (no C build needed, works in Lambda
 #         without a custom compile step unlike psycopg2-binary)
-pg8000==1.31.2
+pg8000==1.31.5
 
 # aws-lambda-powertools: structured logging, tracing, metrics utilities
 aws-lambda-powertools==3.3.0
diff --git a/backend/lambda_/lambda_package/requirements.txt b/backend/lambda_/lambda_package/requirements.txt
index 72f86212..57e6b2ba 100644
--- a/backend/lambda_/lambda_package/requirements.txt
+++ b/backend/lambda_/lambda_package/requirements.txt
@@ -1,6 +1,6 @@
 boto3==1.34.0
-requests==2.32.4
+requests==2.33.0
 google-generativeai==0.6.0
-python-dotenv==1.0.1
+python-dotenv==1.2.2
 pyotp==2.9.0
 phonenumbers==8.13.34
diff --git a/backend/lambda_/layers/requirements-layer.txt b/backend/lambda_/layers/requirements-layer.txt
index 260e94a9..722006b5 100644
--- a/backend/lambda_/layers/requirements-layer.txt
+++ b/backend/lambda_/layers/requirements-layer.txt
@@ -6,7 +6,7 @@
 #
 # pg8000: pure-Python PostgreSQL driver (no C build needed, works in Lambda
 #         without a custom compile step unlike psycopg2-binary)
-pg8000==1.31.2
+pg8000==1.31.5
 
 # aws-lambda-powertools: structured logging, tracing, metrics utilities
 aws-lambda-powertools==3.3.0
diff --git a/backend/lambda_/requirements.txt b/backend/lambda_/requirements.txt
index 6da2cb90..cc5b8ca5 100644
--- a/backend/lambda_/requirements.txt
+++ b/backend/lambda_/requirements.txt
@@ -1,6 +1,6 @@
 boto3==1.34.0
 requests>=2.33.0
 google-generativeai==0.6.0
-python-dotenv==1.0.1
+python-dotenv==1.2.2
 pyotp==2.9.0
 phonenumbers==8.13.34
diff --git a/backend/lambda_package/requirements.txt b/backend/lambda_package/requirements.txt
index 5d177061..083236e4 100644
--- a/backend/lambda_package/requirements.txt
+++ b/backend/lambda_package/requirements.txt
@@ -1,6 +1,6 @@
 boto3==1.28.0
-requests==2.31.0
+requests==2.33.0
 google-generativeai==0.3.0
 pyotp==2.9.0
 phonenumbers==8.13.0
-python-dotenv==1.0.0
+python-dotenv==1.2.2
diff --git a/backend/lambda_requirements.txt b/backend/lambda_requirements.txt
index fa7f4cc4..cdeaba23 100644
--- a/backend/lambda_requirements.txt
+++ b/backend/lambda_requirements.txt
@@ -7,7 +7,7 @@ google-generativeai==0.3.0
 openai==1.8.0
 
 # HTTP & API
-requests==2.32.4
+requests==2.33.0
 pyyaml==6.0.1
 
 # Tracing & Monitoring
@@ -15,7 +15,7 @@ aws-xray-sdk==2.12.0
 psutil==5.9.6
 
 # Environment & Config
-python-dotenv==1.0.0
+python-dotenv==1.2.2
 
 # Async
 httpx==0.25.0
diff --git a/backend/requirements.txt b/backend/requirements.txt
index 49827b62..6c7e0bbd 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -15,7 +15,7 @@ aws-xray-sdk==2.12.0
 psutil==5.9.6
 
 # Environment & Config
-python-dotenv==1.0.0
+python-dotenv==1.2.2
 pydantic