diff --git a/docker/etherpad/Dockerfile b/docker/etherpad/Dockerfile
index 75e481b4e4..ec046ff05d 100644
--- a/docker/etherpad/Dockerfile
+++ b/docker/etherpad/Dockerfile
@@ -60,6 +60,7 @@ ARG INSTALL_SOFFICE=
 # leaner (development dependencies are not installed) and runs faster (among
 # other things, assets are minified & compressed).
 ENV NODE_ENV=production
+ENV ETHERPAD_PRODUCTION=true
 
 # Follow the principle of least privilege: run as unprivileged user.
 #
@@ -100,7 +101,7 @@ USER etherpad
 
 RUN git clone https://github.com/ether/etherpad-lite ${EP_DIR}
 WORKDIR "${EP_DIR}"
-RUN git checkout v1.9.1
+RUN git checkout v1.9.2
 
 # Plugins must be installed before installing Etherpad's dependencies, otherwise
 # npm will try to hoist common dependencies by removing them from