diff --git a/Dockerfile b/Dockerfile
index 59d14682..ca916c3e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:12.04
+FROM ubuntu:14.04
 
 ENV HOME /home/stackage
 ENV LANG en_US.UTF-8
diff --git a/debian-bootstrap.sh b/debian-bootstrap.sh
index 2f158306..15a1bec7 100755
--- a/debian-bootstrap.sh
+++ b/debian-bootstrap.sh
@@ -10,9 +10,6 @@
 # instructions, see:
 #    http://www.stackage.org/install
 
-add-apt-repository -y ppa:chris-lea/zeromq
-add-apt-repository -y ppa:floe/libtisch
-add-apt-repository -y ppa:zoogie/sdl2-snapshots
 apt-get update
 apt-get install -y \
     build-essential \
@@ -21,7 +18,6 @@ apt-get install -y \
     wget \
     m4 \
     texlive-full \
-    libgmp3c2 \
     libgmp3-dev \
     zlib1g-dev \
     libedit2 \