diff --git a/docker/armv7-unknown-linux-gnueabihf/Dockerfile b/docker/armv7-unknown-linux-gnueabihf/Dockerfile
index 8d393e9cb..873c7f677 100644
--- a/docker/armv7-unknown-linux-gnueabihf/Dockerfile
+++ b/docker/armv7-unknown-linux-gnueabihf/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:14.04
+FROM ubuntu:12.04
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
diff --git a/docker/i686-unknown-linux-gnu/Dockerfile b/docker/i686-unknown-linux-gnu/Dockerfile
index b2db1cae5..b5143218f 100644
--- a/docker/i686-unknown-linux-gnu/Dockerfile
+++ b/docker/i686-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:14.04
+FROM ubuntu:12.04
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
diff --git a/docker/x86_64-unknown-linux-gnu/Dockerfile b/docker/x86_64-unknown-linux-gnu/Dockerfile
index 8c61c739a..f5fb8dbd4 100644
--- a/docker/x86_64-unknown-linux-gnu/Dockerfile
+++ b/docker/x86_64-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:14.04
+FROM ubuntu:12.04
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \