diff --git a/Dockerfile-slim.template b/Dockerfile-slim.template
index d4e9f276..4f822af7 100644
--- a/Dockerfile-slim.template
+++ b/Dockerfile-slim.template
@@ -17,7 +17,7 @@ RUN buildDeps='xz-utils' \
       *) echo "unsupported architecture"; exit 1 ;; \
     esac \
     && set -ex \
-    && apt-get update && apt-get install -y ca-certificates curl wget $buildDeps --no-install-recommends \
+    && apt-get update && apt-get install -y ca-certificates curl wget gnupg dirmngr $buildDeps --no-install-recommends \
     && rm -rf /var/lib/apt/lists/* \
     && for key in \
       "${NODE_KEYS[@]}"
@@ -25,7 +25,7 @@ RUN buildDeps='xz-utils' \
       gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
       gpg --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
       gpg --keyserver hkp://pgp.mit.edu:80 --recv-keys "$key" ; \
-    done
+    done \
     && curl -fsSLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-$ARCH.tar.xz" \
     && curl -fsSLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc" \
     && gpg --batch --decrypt --output SHASUMS256.txt SHASUMS256.txt.asc \