diff --git a/src/usr/local/bin/install-npm b/src/usr/local/bin/install-npm
index dcd92914c..8ee0739e3 100755
--- a/src/usr/local/bin/install-npm
+++ b/src/usr/local/bin/install-npm
@@ -8,8 +8,12 @@ require_root
 require_tool "$@"
 check_command npm
 
+unset NPM_CONFIG_PREFIX
+
 echo "Installing npm tool ${TOOL_NAME} v${TOOL_VERSION}"
-npm install --global ${TOOL_NAME}@${TOOL_VERSION}
+npm install --global ${TOOL_NAME}@${TOOL_VERSION} --unsafe
 
 # Clean download cache
 npm cache clean --force
+# Clean node-gyp cache
+rm -rf /root/.cache
diff --git a/src/usr/local/bin/install-tool b/src/usr/local/bin/install-tool
index b069437b8..aca0d17d2 100755
--- a/src/usr/local/bin/install-tool
+++ b/src/usr/local/bin/install-tool
@@ -25,5 +25,5 @@ echo "Installing tool ${TOOL_NAME} v${TOOL_VERSION}"
 
 # cleanup
 if [[ $EUID -eq 0 ]]; then
-  rm -rf /var/lib/apt/lists/*
+  rm -rf /var/lib/apt/lists/* /tmp/*
 fi
diff --git a/src/usr/local/buildpack/tools/node.sh b/src/usr/local/buildpack/tools/node.sh
index 37c9e76f6..911055ec7 100644
--- a/src/usr/local/buildpack/tools/node.sh
+++ b/src/usr/local/buildpack/tools/node.sh
@@ -52,3 +52,9 @@ export_env NODE_OPTIONS "--use-openssl-ca"
 
 shell_wrapper node
 shell_wrapper npm
+
+# Clean download cache
+npm cache clean --force
+
+# Clean node-gyp cache
+rm -rf /root/.cache
diff --git a/src/usr/local/buildpack/tools/npm.sh b/src/usr/local/buildpack/tools/npm.sh
index dee981eca..1322d735e 100644
--- a/src/usr/local/buildpack/tools/npm.sh
+++ b/src/usr/local/buildpack/tools/npm.sh
@@ -11,3 +11,8 @@ fi
 npm install -g npm@${TOOL_VERSION}
 
 npm --version
+
+# Clean download cache
+npm cache clean --force
+# Clean node-gyp cache
+rm -rf /root/.cache
diff --git a/src/usr/local/buildpack/tools/pnpm.sh b/src/usr/local/buildpack/tools/pnpm.sh
index be5fcb687..773a84f82 100644
--- a/src/usr/local/buildpack/tools/pnpm.sh
+++ b/src/usr/local/buildpack/tools/pnpm.sh
@@ -15,3 +15,8 @@ pnpm --version
 if [[ $EUID -eq 0 ]]; then
   shell_wrapper pnpm
 fi
+
+# Clean download cache
+npm cache clean --force
+# Clean node-gyp cache
+rm -rf /root/.cache
diff --git a/src/usr/local/buildpack/tools/yarn.sh b/src/usr/local/buildpack/tools/yarn.sh
index f535d196c..56893e631 100644
--- a/src/usr/local/buildpack/tools/yarn.sh
+++ b/src/usr/local/buildpack/tools/yarn.sh
@@ -13,3 +13,8 @@ npm install -g yarn@${TOOL_VERSION}
 yarn --version
 
 shell_wrapper yarn
+
+# Clean download cache
+npm cache clean --force
+# Clean node-gyp cache
+rm -rf /root/.cache
diff --git a/test/node/Dockerfile b/test/node/Dockerfile
index 386f5e1db..90159922a 100644
--- a/test/node/Dockerfile
+++ b/test/node/Dockerfile
@@ -33,6 +33,13 @@ RUN set -ex; \
 RUN node --version
 RUN npm --version
 
+
+## Test for #136
+USER 0
+
+# renovate: datasource=npm
+RUN install-npm re2 1.16.0
+
 #--------------------------------------
 # test: yarn
 #--------------------------------------