diff --git a/Dockerfile b/Dockerfile
index 5febd45..4f741f9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,8 @@ ARG CONFD_VERSION=0.16.0
 ADD https://github.com/kelseyhightower/confd/archive/v${CONFD_VERSION}.tar.gz /tmp/
 RUN apk add --no-cache \
     bzip2 \
-    make && \
+    make \
+    gcc && \
   mkdir -p /go/src/github.com/kelseyhightower/confd && \
   cd /go/src/github.com/kelseyhightower/confd && \
   tar --strip-components=1 -zxf /tmp/v${CONFD_VERSION}.tar.gz && \