diff --git a/Dockerfile b/Dockerfile
index cf8d84d..b97851f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,21 +2,10 @@ FROM alpine:3.8 AS builder
 
 RUN apk add --no-cache \
     alpine-sdk \
-    py3-crypto \
-    py3-zope-interface \
-    python3-dev \
-    py3-setuptools \
-    libtirpc-dev
+    python3-dev
 
-RUN adduser -h /var/lib/builder -u 2222 -D -G abuild builder
-
-COPY APKBUILD /var/lib/builder/APKBUILD
-
-WORKDIR /var/lib/builder/
-USER builder
-
-RUN abuild-keygen -a -n
-RUN abuild -r
+RUN pip3 install wheel
+RUN pip3 wheel twisted
 
 FROM thallian/confd-env:latest
 
@@ -53,9 +42,10 @@ RUN apk add --no-cache \
     py3-dateutil \
     py3-ldap3
 
-COPY --from=builder /var/lib/builder/packages/lib/x86_64/py3-twisted-17.1.0-r0.apk /tmp/py3-twisted.apk
-RUN apk --allow-untrusted add /tmp/py3-twisted.apk
+RUN mkdir /tmp/wheels
+COPY --from=builder /Twisted*.whl /tmp/wheels
 
+RUN pip3 install /tmp/wheels/*.whl
 RUN pip3 install https://github.com/matrix-org/synapse/tarball/$VERSION
 
 ADD /rootfs /
diff --git a/rootfs/etc/services.d/synapse/run b/rootfs/etc/services.d/synapse/run
index f63079a..8988858 100644
--- a/rootfs/etc/services.d/synapse/run
+++ b/rootfs/etc/services.d/synapse/run
@@ -1,4 +1,4 @@
 #!/usr/bin/with-contenv sh
 
 cd /var/lib/matrix-synapse
-s6-setuidgid matrix-synapse python -B -m synapse.app.homeserver -c server.yaml
+s6-setuidgid matrix-synapse python3 -B -m synapse.app.homeserver -c server.yaml