diff --git a/projects/dlplibs/Dockerfile b/projects/dlplibs/Dockerfile
index b557b9cfb..edb1f0bce 100644
--- a/projects/dlplibs/Dockerfile
+++ b/projects/dlplibs/Dockerfile
@@ -16,6 +16,8 @@
 
 FROM gcr.io/oss-fuzz-base/base-builder
 MAINTAINER dtardon@redhat.com
+# enable source repos
+RUN sed -i -e '/^#\s*deb-src.*\smain\s\+restricted/s/^#//' /etc/apt/sources.list
 # install build requirements
 RUN apt-get update
 RUN apt-get build-dep -y \
diff --git a/projects/libreoffice/Dockerfile b/projects/libreoffice/Dockerfile
index fadaf9bec..520ef5a52 100644
--- a/projects/libreoffice/Dockerfile
+++ b/projects/libreoffice/Dockerfile
@@ -16,7 +16,10 @@
 
 FROM gcr.io/oss-fuzz-base/base-builder
 MAINTAINER officesecurity@lists.freedesktop.org
+# enable source repos
+RUN sed -i -e '/^#\s*deb-src.*\smain\s\+restricted/s/^#//' /etc/apt/sources.list
 #build requirements
+RUN apt-get update
 RUN apt-get build-dep -y libreoffice
 RUN apt-get install -y wget yasm
 #cache build dependencies