diff --git a/projects/postgis/Dockerfile b/projects/postgis/Dockerfile
index d6d4a2cdd..59deba48d 100644
--- a/projects/postgis/Dockerfile
+++ b/projects/postgis/Dockerfile
@@ -16,7 +16,8 @@
 
 FROM gcr.io/oss-fuzz-base/base-builder
 MAINTAINER lr@pcorp.us
-RUN apt-get update && apt-get install -y make autoconf automake libtool g++ postgresql-server-dev-9.5 libgeos-dev libproj-dev libxml2-dev pkg-config libjson-c-dev
+RUN echo deb http://archive.ubuntu.com/ubuntu/ disco main restricted universe multiverse >> /etc/apt/sources.list
+RUN apt-get update && apt-get install -y make autoconf automake libtool g++ postgresql-server-dev-11 libgeos-dev libproj-dev libxml2-dev pkg-config libjson-c-dev
 RUN git clone --depth 1 https://git.osgeo.org/gogs/postgis/postgis.git postgis
 WORKDIR postgis
 COPY build.sh $SRC/