diff --git a/Dockerfile b/Dockerfile
index 3545fb8..3622790 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,10 +2,9 @@ FROM alpine:3.6
 
 RUN adduser tgproxy -u 10000 -D
 
-RUN apk add --no-cache python3 py3-crypto ca-certificates libcap
+RUN apk add --no-cache python3 py3-cryptography ca-certificates libcap
 
 COPY mtprotoproxy.py config.py /home/tgproxy/
-COPY pyaes/*.py /home/tgproxy/pyaes/
 
 RUN chown -R tgproxy:tgproxy /home/tgproxy
 RUN setcap cap_net_bind_service=+ep /usr/bin/python3.6