diff --git a/distribution/docker/alpine/Dockerfile b/distribution/docker/alpine/Dockerfile
index 79b422f24a477..c5c463ccb4887 100644
--- a/distribution/docker/alpine/Dockerfile
+++ b/distribution/docker/alpine/Dockerfile
@@ -6,9 +6,12 @@ COPY vector-*-unknown-linux-musl*.tar.gz ./
 RUN tar -xvf vector-$(cat /etc/apk/arch)-unknown-linux-musl*.tar.gz --strip-components=2
 
 FROM alpine:3.10
-RUN apk update && apk add ca-certificates tzdata && rm -rf /var/cache/apk/*
+RUN apk update && apk add ca-certificates tzdata libsasl && rm -rf /var/cache/apk/*
 
 COPY --from=builder /vector/bin/* /usr/local/bin/
 COPY --from=builder /vector/config/vector.toml /etc/vector/vector.toml
 
+# Smoke test.
+RUN ["/usr/local/bin/vector", "--version"]
+
 ENTRYPOINT ["/usr/local/bin/vector"]
diff --git a/distribution/docker/debian/Dockerfile b/distribution/docker/debian/Dockerfile
index 6302c453ec0da..0cc4ddf7c6d0f 100644
--- a/distribution/docker/debian/Dockerfile
+++ b/distribution/docker/debian/Dockerfile
@@ -1,14 +1,19 @@
 FROM debian:buster-slim AS builder
 
+RUN apt-get update && apt-get install -y libsasl2-2 && rm -rf /var/lib/apt/lists/*
+
 COPY vector-*.deb ./
 RUN dpkg -i vector-$(dpkg --print-architecture).deb
 
 FROM debian:buster-slim
 
-RUN apt-get update && apt-get install -y ca-certificates tzdata && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y ca-certificates tzdata libsasl2-2 && rm -rf /var/lib/apt/lists/*
 
 COPY --from=builder /usr/bin/vector /usr/bin/vector
 COPY --from=builder /usr/share/doc/vector /usr/share/doc/vector
 COPY --from=builder /etc/vector /etc/vector
 
+# Smoke test.
+RUN ["/usr/bin/vector", "--version"]
+
 ENTRYPOINT ["/usr/bin/vector"]