diff --git a/Containerfile b/Containerfile
index 953994d..18a16bf 100644
--- a/Containerfile
+++ b/Containerfile
@@ -1,5 +1,6 @@
 ARG ALPINE_VERSION=edge
-ARG NEATVNC_VERSION="0.8.0-r0"
+# versions must correspond with APKBUILD
+ARG NEATVNC_VERSION="0.8.1-r0"
 ARG WAYVNC_VERSION="0.8.0-r0"
 FROM alpine:${ALPINE_VERSION}
 LABEL maintainer="Björn Busse <bj.rn@baerlin.eu>"
@@ -15,6 +16,8 @@ ENV _APKBUILD="https://git.alpinelinux.org/aports/plain/community/neatvnc/APKBUI
 
 # Add build requirements
 RUN echo $'http://dl-cdn.alpinelinux.org/alpine/edge/community' >> /etc/apk/repositories \
+    # Add signing keys
+    && apk add -X https://nl.alpinelinux.org/alpine/edge/main -u alpine-keys --allow-untrusted \
     && apk update \
     && apk upgrade \
     && apk add alpine-sdk curl gnutls-dev
@@ -27,9 +30,15 @@ RUN addgroup -S $USER && adduser -D $USER -G $USER -G abuild \
 USER $USER
 WORKDIR /home/$USER
 RUN curl -LO $_APKBUILD \
-    && abuild-keygen -a -n \
-    && abuild checksum \
+    && abuild-keygen -a -n
+
+USER root
+RUN cp /home/$USER/.abuild/*.rsa.pub /etc/apk/keys/
+
+USER $USER
+RUN abuild checksum \
     && abuild -r \
+    && ls packages/home/$(uname -m)/ \
     && cp /home/$USER/packages/home/$(uname -m)/$PKG_NEATVNC_DEV . \
     && cp /home/$USER/packages/home/$(uname -m)/$PKG_NEATVNC .
 
@@ -44,8 +53,10 @@ ENV _APKBUILD="https://git.alpinelinux.org/aports/plain/community/wayvnc/APKBUIL
 
 # Add build requirements
 RUN echo $'http://dl-cdn.alpinelinux.org/alpine/edge/community' >> /etc/apk/repositories \
+    # Add signing keys
+    && apk add -X https://nl.alpinelinux.org/alpine/edge/main -u alpine-keys --allow-untrusted \
     && apk update \
-    && apk add alpine-sdk
+    && apk add alpine-sdk curl
 
 # Add build user
 RUN addgroup -S $USER && adduser -D $USER -G $USER -G abuild \
@@ -54,12 +65,14 @@ RUN addgroup -S $USER && adduser -D $USER -G $USER -G abuild \
 # Copy
 USER $USER
 WORKDIR /home/$USER
+COPY --from=0 /etc/apk/keys /etc/apk/keys
 COPY --from=0 /home/$USER/$PKG_NEATVNC .
 COPY --from=0 /home/$USER/$PKG_NEATVNC_DEV .
 
 USER root
 # Install copied dependencies
-RUN apk add --allow-untrusted $PKG_NEATVNC $PKG_NEATVNC_DEV
+RUN apk update - allow-untrusted && \
+    apk add $PKG_NEATVNC $PKG_NEATVNC_DEV
 
 ARG WAYVNC_VERSION
 ENV PKG_WAYVNC="wayvnc-${WAYVNC_VERSION}.apk"
@@ -73,9 +86,15 @@ RUN curl -LO $_APKBUILD \
     && awk '!/version.patch/' APKBUILD > APKBUILD_ \
     && rm APKBUILD \
     && mv APKBUILD_ APKBUILD \
-    && abuild-keygen -a -n \
-    && abuild checksum \
+    && abuild-keygen -a -n
+
+USER root
+RUN cp /home/$USER/.abuild/*.rsa.pub /etc/apk/keys/
+
+USER $USER
+RUN abuild checksum \
     && abuild -r \
+    && ls packages/home/$(uname -m)/ \
     && cp /home/$USER/packages/home/$(uname -m)/$PKG_WAYVNC .
 
 COPY entrypoint.sh /