diff --git a/2.7/alpine/Dockerfile b/2.7/alpine/Dockerfile
index b889235f7..c74ea79bd 100644
--- a/2.7/alpine/Dockerfile
+++ b/2.7/alpine/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.3
+FROM alpine:edge
 
 # http://bugs.python.org/issue19846
 # > At the moment, setting "LANG=C" on a Linux system *fundamentally breaks Python 3*, and that's not OK.
diff --git a/3.5/alpine/Dockerfile b/3.5/alpine/Dockerfile
index 2f50b9628..a3138a02f 100644
--- a/3.5/alpine/Dockerfile
+++ b/3.5/alpine/Dockerfile
@@ -37,6 +37,7 @@ RUN set -ex \
 		pax-utils \
 		readline-dev \
 		sqlite-dev \
+		postgresql-dev \
 		zlib-dev \
 	&& cd /usr/src/python \
 	&& ./configure --enable-shared --enable-unicode=ucs4 \