diff --git a/os-base/Dockerfile b/os-base/Dockerfile
index 255d437..0f2fbb9 100644
--- a/os-base/Dockerfile
+++ b/os-base/Dockerfile
@@ -4,8 +4,9 @@ LABEL maintainer="Ryan Voots <simcop@cpan.org>"
 
 ENV DEBIAN_FRONTEND=noninteractive
 
-RUN perl -i.bak -pE '$x=$_; $x=~s|^deb |deb-src |g;$_.=$x' /etc/apt/sources.list.d/* /etc/apt/sources.list \
-    && apt update \
+RUN perl -i.bak -pE '$x=$_; $x=~s|^deb |deb-src |g;$_.=$x' /etc/apt/sources.list.d/*.list /etc/apt/sources.list; \
+    perl -pE 's/Types: deb/Types: deb-src/g' < /etc/apt/sources.list.d/debian.sources > /etc/apt/sources.list.d/debian-src.sources; \
+    apt update \
     && apt -yq full-upgrade \
     && apt -yq build-dep perl \
     && apt-get install -y --no-install-recommends \