diff --git a/dockers/piped-base/DOCKER_BUILD b/dockers/piped-base/DOCKER_BUILD
index 7ca2d40d72..1dbe7f4802 100644
--- a/dockers/piped-base/DOCKER_BUILD
+++ b/dockers/piped-base/DOCKER_BUILD
@@ -1,2 +1,2 @@
-version: 0.0.6
+version: 0.0.7
 registry: gcr.io/pipecd/piped-base
diff --git a/dockers/piped-base/Dockerfile b/dockers/piped-base/Dockerfile
index a21dfc23e1..64a7124a3e 100644
--- a/dockers/piped-base/Dockerfile
+++ b/dockers/piped-base/Dockerfile
@@ -9,6 +9,7 @@ ADD install-helm.sh /installer/install-helm.sh
 ADD install-kubectl.sh /installer/install-kubectl.sh
 ADD install-kustomize.sh /installer/install-kustomize.sh
 ADD install-gcloud.sh /installer/install-gcloud.sh
+ADD install-terraform.sh /installer/install-terraform.sh
 
 RUN \
     apk add --no-cache \
@@ -22,14 +23,16 @@ RUN \
         bash && \
     update-ca-certificates && \
     mkdir ${PIPED_BIN_DIR} && \
-    # Pre-install helm.
+    # Pre-install the default version of helm.
     /installer/install-helm.sh && \
-    # Pre-install kubectl.
+    # Pre-install the default version of kubectl.
     /installer/install-kubectl.sh && \
-    # Pre-install kustomize.
+    # Pre-install the default version of kustomize.
     /installer/install-kustomize.sh && \
-    # Pre-install gcloud.
+    # Pre-install the default version of gcloud.
     /installer/install-gcloud.sh && \
+    # Pre-install the default version of terraform.
+    /installer/install-terraform.sh && \
     # Delete installer directory.
     rm -rf /installer && \
     rm -f /var/cache/apk/*
diff --git a/dockers/piped-base/install-terraform.sh b/dockers/piped-base/install-terraform.sh
new file mode 100755
index 0000000000..80ffeec0e9
--- /dev/null
+++ b/dockers/piped-base/install-terraform.sh
@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+# Copyright 2020 The PipeCD Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+BASE_URL="https://releases.hashicorp.com"
+
+# Do not forget to update the version number at the following file when changing this.
+# https://github.com/pipe-cd/pipe/blob/master/pkg/app/piped/toolregistry/install.go#L33
+VERSION="0.13.0"
+
+echo "Installing terraform-${VERSION} into ${PIPED_BIN_DIR}/terraform..."
+curl ${BASE_URL}/terraform/${VERSION}/terraform_${VERSION}_linux_amd64.zip -o terraform_${VERSION}_linux_amd64.zip
+unzip terraform_${VERSION}_linux_amd64.zip
+mv terraform ${PIPED_BIN_DIR}/
+rm terraform_${VERSION}_linux_amd64.zip
+echo "Successfully installed terraform-${VERSION} into ${PIPED_BIN_DIR}/terraform"