diff --git a/Makefile b/Makefile
index b9e3352..7ea7834 100644
--- a/Makefile
+++ b/Makefile
@@ -20,7 +20,7 @@ init: install zip
 		--policy-arn arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole || true
 	aws lambda create-function \
 		--function-name sympy-service \
-		--runtime python3.8 \
+		--runtime python3.12 \
 		--handler lambda_function.handler \
 		--zip-file fileb://function.zip \
 		--role arn:aws:iam::534897478838:role/lambda-sympy-service || true
diff --git a/requirements-lambda.txt b/requirements-lambda.txt
index 9f17205..30dcf43 100644
--- a/requirements-lambda.txt
+++ b/requirements-lambda.txt
@@ -1,6 +1,6 @@
 Flask==2.2.5
 Flask-HTTPAuth==3.3.0
-gunicorn==19.9.0
+gunicorn==22.0.0
 jsonify==0.5
 mpmath==1.1.0
 git+https://github.com/meganly/sympy@7880910a57540ef09c6e9323c23652f14962ec43#egg=sympy
diff --git a/runtime.txt b/runtime.txt
index 1380601..32905d6 100644
--- a/runtime.txt
+++ b/runtime.txt
@@ -1 +1 @@
-python-3.7.11
+python-3.12.7