diff --git a/Dockerfile b/Dockerfile
index db560ac..94e7046 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
-FROM alpine:3.10.3
+FROM alpine:3.12.4
 
-RUN apk add --no-cache git~=2.22 bash openssh
+RUN apk add --no-cache git=~2.26.3 bash openssh
 
 # install git-lfs
 RUN apk add --no-cache --virtual deps openssl && \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
deleted file mode 100644
index c65044e..0000000
--- a/Dockerfile.aarch64
+++ /dev/null
@@ -1,22 +0,0 @@
-FROM arm64v8/alpine:3.7
-RUN apk add --no-cache git bash openssh
-
-# install git-lfs
-RUN apk add --no-cache --virtual deps openssl && \
-    wget -qO- https://github.com/git-lfs/git-lfs/releases/download/v2.6.1/git-lfs-linux-arm64-v2.6.1.tar.gz | tar xz && \
-    mv git-lfs /usr/bin/ && \
-    rm -rf git-lfs-* && \
-    git lfs install && \
-    apk del deps
-
-# add ssh record on which ssh key to use
-COPY ./.ssh/ /root/.ssh/
-
-# add fingerprint for major git providers
-RUN ssh-keyscan github.com >> /root/.ssh/known_hosts
-RUN ssh-keyscan bitbucket.org >> /root/.ssh/known_hosts
-
-COPY ./start.sh /run/start.sh
-RUN chmod +x /run/start.sh
-
-CMD ["/run/start.sh"]
diff --git a/service.yaml b/service.yaml
index fd14452..b1d9c0f 100644
--- a/service.yaml
+++ b/service.yaml
@@ -1 +1 @@
-version: 10.0.4
+version: 10.0.5