diff --git a/10/Dockerfile b/10/Dockerfile
index a3b460e079..6b46c4cb6f 100644
--- a/10/Dockerfile
+++ b/10/Dockerfile
@@ -22,19 +22,15 @@ RUN set -eux; \
 	chown -R postgres:postgres /var/lib/postgresql
 
 # grab gosu for easy step-down from root
-ENV GOSU_VERSION 1.11
-RUN set -x \
-	&& apt-get update && apt-get install -y --no-install-recommends ca-certificates wget && rm -rf /var/lib/apt/lists/* \
-	&& wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture)" \
-	&& wget -O /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture).asc" \
-	&& export GNUPGHOME="$(mktemp -d)" \
-	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 \
-	&& gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu \
-	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
-	&& rm -rf "$GNUPGHOME" /usr/local/bin/gosu.asc \
-	&& chmod +x /usr/local/bin/gosu \
-	&& gosu nobody true \
-	&& apt-get purge -y --auto-remove ca-certificates wget
+
+ENV GOSU_VERSION 1.10-1+b2
+
+RUN set -eux; \
+	apt-get update; \
+	apt-get install -y gosu=$GOSU_VERSION; \
+	rm -rf /var/lib/apt/lists/*; \
+# verify that the binary works
+	gosu nobody true
 
 # make the "en_US.UTF-8" locale so postgres will be utf-8 enabled by default
 RUN set -eux; \