diff --git a/Dockerfile b/Dockerfile
index 568280d71..38543f9ae 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,6 @@ ENV LANG C.UTF-8
 
 # Setup base
 RUN apk add --no-cache \
-        python3 \
         git \
         socat \
         glib \
@@ -14,12 +13,11 @@ RUN apk add --no-cache \
         eudev-libs \
     && apk add --no-cache --virtual .build-dependencies \
         make \
-        python3-dev \
         g++ \
     && pip3 install --no-cache-dir \
         uvloop==0.10.2 \
         cchardet==2.1.1 \
-        pycryptodome==3.4.11 \
+        pycryptodome==3.6.4 \
     && apk del .build-dependencies
 
 # Install HassIO
diff --git a/setup.py b/setup.py
index 1444f408b..67ac382d4 100644
--- a/setup.py
+++ b/setup.py
@@ -49,7 +49,7 @@ setup(
         'gitpython==2.1.10',
         'pytz==2018.4',
         'pyudev==0.21.0',
-        'pycryptodome==3.4.11',
+        'pycryptodome==3.6.4',
         "cpe==1.2.1"
     ]
 )