diff --git a/Dockerfile b/Dockerfile
index d6b32c3..32ccc08 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ MAINTAINER "Code Climate <hello@codeclimate.com>"
 USER root
 
 RUN apk update && \
-    apk add ca-certificates wget curl jq && \
+    apk add ca-certificates wget curl jq bash && \
     update-ca-certificates
 
 RUN adduser -u 9000 -D app
diff --git a/bin/install-pmd.sh b/bin/install-pmd.sh
index 95cf33a..e0d6e60 100755
--- a/bin/install-pmd.sh
+++ b/bin/install-pmd.sh
@@ -4,7 +4,7 @@ set -euo pipefail
 LIB_DIR=/usr/src/app/lib
 
 download_pmd() {
-  URL="https://github.com/pmd/pmd/releases/download/pmd_releases/6.0.1/pmd-bin-6.0.1.zip"
+  URL="https://github.com/pmd/pmd/releases/download/pmd_releases/6.7.0/pmd-bin-6.7.0.zip"
   wget -O pmd.zip $URL
 }