diff --git a/build-docker-image.sh b/build-docker-image.sh
index 4e1000560..eb0188457 100755
--- a/build-docker-image.sh
+++ b/build-docker-image.sh
@@ -12,8 +12,10 @@ run() {
   local image_name="rustembedded/cross:${1}"
   local cache_from_args=()
 
-  if docker image inspect "${image_name}" &>/dev/null || docker pull "${image_name}"; then
-    cache_from_args=(--cache-from "${image_name}")
+  if ! docker image inspect "${image_name}" &>/dev/null; then
+    if docker pull "${image_name}"; then
+      cache_from_args=(--cache-from "${image_name}")
+    fi
   fi
 
   docker build ${cache_from_args[@]+"${cache_from_args[@]}"} --pull -t "${image_name}" -f "${dockerfile}" .
diff --git a/docker/cmake.sh b/docker/cmake.sh
index 108764d1b..cd40f5c47 100755
--- a/docker/cmake.sh
+++ b/docker/cmake.sh
@@ -4,15 +4,9 @@ set -x
 set -euo pipefail
 
 main() {
-    local version=3.16.5
+    local version=3.17.2
 
-    local dependencies=(
-        curl
-        g++
-        libssl-dev
-        make
-        zlib1g-dev
-    )
+    local dependencies=(curl)
 
     apt-get update
     local purge_list=()
@@ -28,21 +22,17 @@ main() {
 
     pushd "${td}"
 
-    curl "https://cmake.org/files/v${version%.*}/cmake-${version}.tar.gz" | \
-        tar --strip-components 1 -xz
+    curl -sSfL "https://github.com/Kitware/CMake/releases/download/v${version}/cmake-${version}-Linux-x86_64.sh" -o cmake.sh
+    sh cmake.sh --skip-license --prefix=/usr/local
 
-    ./bootstrap
-    make "-j$(nproc)"
-    make install
-
-    # clean up
     popd
 
     if (( ${#purge_list[@]} )); then
-      apt-get purge --auto-remove -y "${purge_list[@]}"
+      apt-get purge --assume-yes --auto-remove "${purge_list[@]}"
     fi
 
     rm -rf "${td}"
+    rm -rf /var/lib/apt/lists/*
     rm "${0}"
 }
 
diff --git a/docker/linux-image.sh b/docker/linux-image.sh
index 57844de0a..d83c22beb 100755
--- a/docker/linux-image.sh
+++ b/docker/linux-image.sh
@@ -91,6 +91,7 @@ main() {
     local dependencies=(
         cpio
         sharutils
+        gnupg
     )
 
     local purge_list=()
diff --git a/docker/xargo.sh b/docker/xargo.sh
index 255ce18ef..0ea69d00c 100755
--- a/docker/xargo.sh
+++ b/docker/xargo.sh
@@ -22,10 +22,10 @@ main() {
     export CARGO_HOME=/tmp/cargo
 
     curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs -o rustup-init.sh
-    sh rustup-init.sh -y --no-modify-path
+    sh rustup-init.sh -y --no-modify-path --profile minimal
     rm rustup-init.sh
 
-    PATH="${CARGO_HOME}/bin:${PATH}" cargo install xargo --root /usr
+    PATH="${CARGO_HOME}/bin:${PATH}" cargo install xargo --root /usr/local
 
     rm -r "${RUSTUP_HOME}" "${CARGO_HOME}"