diff --git a/tools/docker/manylinux1.Dockerfile b/tools/docker/manylinux1.Dockerfile
index 6d5c11f400..7c7388ab20 100644
--- a/tools/docker/manylinux1.Dockerfile
+++ b/tools/docker/manylinux1.Dockerfile
@@ -9,6 +9,7 @@ RUN yum -y update \
  git \
  libtool \
  make \
+ openssl-devel \
  patch \
  pcre-devel \
  redhat-lsb \