diff --git a/Dockerfile.linux-386 b/Dockerfile.linux-386
index 2efcbd9..f139f8f 100644
--- a/Dockerfile.linux-386
+++ b/Dockerfile.linux-386
@@ -1,5 +1,5 @@
 ARG GO_VERSION
-FROM golang:$GO_VERSION
+FROM gotify/build:$GO_VERSION-linux-amd64
 RUN \
   apt-get update && \
   apt-get install -y libc6-dev-i386
diff --git a/Dockerfile.linux-amd64 b/Dockerfile.linux-amd64
index 61bc46f..6365a5a 100644
--- a/Dockerfile.linux-amd64
+++ b/Dockerfile.linux-amd64
@@ -1,5 +1,40 @@
-ARG GO_VERSION
-FROM golang:$GO_VERSION
+FROM buildpack-deps:16.04-scm
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+		g++ \
+		gcc \
+		libc6-dev \
+		make \
+		pkg-config \
+	&& rm -rf /var/lib/apt/lists/*
+
+ENV PATH /usr/local/go/bin:$PATH
+ENV GOLANG_VERSION 1.15.2
+
+RUN set -eux; \
+	\
+	dpkgArch="$(dpkg --print-architecture)"; \
+    url='https://storage.googleapis.com/golang/go1.15.2.linux-amd64.tar.gz'; \
+    sha256='b49fda1ca29a1946d6bb2a5a6982cf07ccd2aba849289508ee0f9918f6bb4552'; \
+	wget -O go.tgz.asc "$url.asc" --progress=dot:giga; \
+	wget -O go.tgz "$url" --progress=dot:giga; \
+	echo "$sha256 *go.tgz" | sha256sum --strict --check -; \
+	\
+# https://github.com/golang/go/issues/14739#issuecomment-324767697
+	export GNUPGHOME="$(mktemp -d)"; \
+# https://www.google.com/linuxrepositories/
+	gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys 'EB4C 1BFD 4F04 2F6D DDCC EC91 7721 F63B D38B 4796'; \
+	gpg --batch --verify go.tgz.asc go.tgz; \
+	rm -rf "$GNUPGHOME" go.tgz.asc; \
+	\
+	tar -C /usr/local -xzf go.tgz; \
+	rm go.tgz; \
+	go version
+
+ENV GOPATH /go
+ENV PATH $GOPATH/bin:$PATH
+RUN mkdir -p "$GOPATH/src" "$GOPATH/bin" && chmod -R 777 "$GOPATH"
+WORKDIR $GOPATH
 
 ENV CGO_ENABLED=1
 ENV GOOS=linux
diff --git a/Dockerfile.linux-arm-7 b/Dockerfile.linux-arm-7
index f982117..8a044b3 100644
--- a/Dockerfile.linux-arm-7
+++ b/Dockerfile.linux-arm-7
@@ -1,5 +1,5 @@
 ARG GO_VERSION
-FROM golang:$GO_VERSION
+FROM gotify/build:$GO_VERSION-linux-amd64
 RUN \
   apt-get update && \
   apt-get install -y gcc-arm-linux-gnueabihf g++-arm-linux-gnueabihf
diff --git a/Dockerfile.linux-arm64 b/Dockerfile.linux-arm64
index fbd2379..35a6579 100644
--- a/Dockerfile.linux-arm64
+++ b/Dockerfile.linux-arm64
@@ -1,5 +1,5 @@
 ARG GO_VERSION
-FROM golang:$GO_VERSION
+FROM gotify/build:$GO_VERSION-linux-amd64
 RUN \
   apt-get update && \
   apt-get install -y gcc-aarch64-linux-gnu g++-aarch64-linux-gnu
diff --git a/Dockerfile.windows-386 b/Dockerfile.windows-386
index 22a1eaa..58478a6 100644
--- a/Dockerfile.windows-386
+++ b/Dockerfile.windows-386
@@ -1,5 +1,5 @@
 ARG GO_VERSION
-FROM golang:$GO_VERSION
+FROM gotify/build:$GO_VERSION-linux-amd64
 RUN \
   apt-get update && \
   apt-get install -y mingw-w64
diff --git a/Dockerfile.windows-amd64 b/Dockerfile.windows-amd64
index ebe90a7..6efea3b 100644
--- a/Dockerfile.windows-amd64
+++ b/Dockerfile.windows-amd64
@@ -1,5 +1,5 @@
 ARG GO_VERSION
-FROM golang:$GO_VERSION
+FROM gotify/build:$GO_VERSION-linux-amd64
 RUN \
   apt-get update && \
   apt-get install -y mingw-w64