diff --git a/10/Dockerfile b/10/Dockerfile
index c7a21d35b5..1eba8042eb 100644
--- a/10/Dockerfile
+++ b/10/Dockerfile
@@ -22,7 +22,7 @@ RUN set -eux; \
 	chown -R postgres:postgres /var/lib/postgresql
 
 # grab gosu for easy step-down from root
-ENV GOSU_VERSION 1.10
+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)" \
diff --git a/11/Dockerfile b/11/Dockerfile
index 3c57298169..92b7215c22 100644
--- a/11/Dockerfile
+++ b/11/Dockerfile
@@ -22,7 +22,7 @@ RUN set -eux; \
 	chown -R postgres:postgres /var/lib/postgresql
 
 # grab gosu for easy step-down from root
-ENV GOSU_VERSION 1.10
+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)" \
diff --git a/9.4/Dockerfile b/9.4/Dockerfile
index 7fd748fd83..ca60a26d84 100644
--- a/9.4/Dockerfile
+++ b/9.4/Dockerfile
@@ -22,7 +22,7 @@ RUN set -eux; \
 	chown -R postgres:postgres /var/lib/postgresql
 
 # grab gosu for easy step-down from root
-ENV GOSU_VERSION 1.10
+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)" \
diff --git a/9.5/Dockerfile b/9.5/Dockerfile
index 2d860b43a2..4390232d3b 100644
--- a/9.5/Dockerfile
+++ b/9.5/Dockerfile
@@ -22,7 +22,7 @@ RUN set -eux; \
 	chown -R postgres:postgres /var/lib/postgresql
 
 # grab gosu for easy step-down from root
-ENV GOSU_VERSION 1.10
+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)" \
diff --git a/9.6/Dockerfile b/9.6/Dockerfile
index 27803fdd77..36984ce969 100644
--- a/9.6/Dockerfile
+++ b/9.6/Dockerfile
@@ -22,7 +22,7 @@ RUN set -eux; \
 	chown -R postgres:postgres /var/lib/postgresql
 
 # grab gosu for easy step-down from root
-ENV GOSU_VERSION 1.10
+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)" \
diff --git a/Dockerfile-debian.template b/Dockerfile-debian.template
index bedb91cc76..a86f24b5f7 100644
--- a/Dockerfile-debian.template
+++ b/Dockerfile-debian.template
@@ -22,7 +22,7 @@ RUN set -eux; \
 	chown -R postgres:postgres /var/lib/postgresql
 
 # grab gosu for easy step-down from root
-ENV GOSU_VERSION 1.10
+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)" \