diff --git a/Dockerfile b/Dockerfile
index 5928532..a908d14 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
-FROM ubuntu:20.04
+FROM ubuntu:22.04
 
 RUN apt-get update && apt-get install --no-install-recommends -y python3 python3-uvloop python3-cryptography python3-socks libcap2-bin ca-certificates && rm -rf /var/lib/apt/lists/*
-RUN setcap cap_net_bind_service=+ep /usr/bin/python3.8
+RUN setcap cap_net_bind_service=+ep /usr/bin/python3.10
 
 RUN useradd tgproxy -u 10000