diff --git a/cats.Dockerfile b/cats.Dockerfile
index be3bd63..3a8b3e3 100644
--- a/cats.Dockerfile
+++ b/cats.Dockerfile
@@ -1,6 +1,10 @@
 FROM debian/eol:jessie
 
-RUN apt-get update \
+RUN sed -i \
+      -e 's@\(^deb http://deb\..*\)$@#\1@' \
+      -e 's@\(^deb http://security\..*\)$@deb http://archive.debian.org/debian-security jessie/updates main@' \
+      /etc/apt/sources.list \
+    && apt-get update \
     && DEBIAN_FRONTEND=noninteractive \
     apt-get install -y --no-install-recommends \
     ca-certificates \
diff --git a/mgr.Dockerfile b/mgr.Dockerfile
index 73ffd74..a0a7400 100644
--- a/mgr.Dockerfile
+++ b/mgr.Dockerfile
@@ -1,6 +1,10 @@
 FROM debian/eol:jessie
 
-RUN apt-get update \
+RUN sed -i \
+      -e 's@\(^deb http://deb\..*\)$@#\1@' \
+      -e 's@\(^deb http://security\..*\)$@deb http://archive.debian.org/debian-security jessie/updates main@' \
+      /etc/apt/sources.list \
+    && apt-get update \
     && DEBIAN_FRONTEND=noninteractive \
     apt-get install -y --no-install-recommends \
     ca-certificates \
diff --git a/signer.Dockerfile b/signer.Dockerfile
index 7e61bcd..68d4a2d 100644
--- a/signer.Dockerfile
+++ b/signer.Dockerfile
@@ -1,6 +1,10 @@
 FROM debian/eol:jessie
 
-RUN apt-get update \
+RUN sed -i \
+      -e 's@\(^deb http://deb\..*\)$@#\1@' \
+      -e 's@\(^deb http://security\..*\)$@deb http://archive.debian.org/debian-security jessie/updates main@' \
+      /etc/apt/sources.list \
+    && apt-get update \
     && DEBIAN_FRONTEND=noninteractive \
     apt-get install -y --no-install-recommends \
     gnupg \
diff --git a/signer_client.Dockerfile b/signer_client.Dockerfile
index b0be540..c4339da 100644
--- a/signer_client.Dockerfile
+++ b/signer_client.Dockerfile
@@ -3,7 +3,11 @@ FROM debian/eol:jessie
 COPY testca/root/ca.crt.pem /usr/local/share/ca-certificates/testca_root.crt
 COPY testca/class3/ca.crt.pem /usr/local/share/ca-certificates/testca_class3.crt
 
-RUN apt-get update \
+RUN sed -i \
+      -e 's@\(^deb http://deb\..*\)$@#\1@' \
+      -e 's@\(^deb http://security\..*\)$@deb http://archive.debian.org/debian-security jessie/updates main@' \
+      /etc/apt/sources.list \
+    && apt-get update \
     && DEBIAN_FRONTEND=noninteractive \
     apt-get install -y --no-install-recommends \
     ca-certificates \
diff --git a/webdb.Dockerfile b/webdb.Dockerfile
index b372516..8e1474c 100644
--- a/webdb.Dockerfile
+++ b/webdb.Dockerfile
@@ -1,6 +1,10 @@
 FROM debian/eol:jessie
 
-RUN apt-get update \
+RUN sed -i \
+      -e 's@\(^deb http://deb\..*\)$@#\1@' \
+      -e 's@\(^deb http://security\..*\)$@deb http://archive.debian.org/debian-security jessie/updates main@' \
+      /etc/apt/sources.list \
+    && apt-get update \
     && DEBIAN_FRONTEND=noninteractive \
     apt-get install -y --no-install-recommends \
     ca-certificates \