diff --git a/drone-starlark/Dockerfile b/drone-starlark/Dockerfile
index 53c6e9d..3e12146 100644
--- a/drone-starlark/Dockerfile
+++ b/drone-starlark/Dockerfile
@@ -1,4 +1,4 @@
-FROM drone/drone-convert-starlark
+FROM drone/drone-convert-starlark:1.1.0-beta.1
 COPY repos /repos
 COPY run.sh /
 USER root
diff --git a/ghost/Dockerfile b/ghost/Dockerfile
index 1a34faa..996cf86 100644
--- a/ghost/Dockerfile
+++ b/ghost/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghost:3.14.0-alpine
+FROM ghost:3.14.0
 # USER root
 RUN apt-get update
 RUN apt-get install -y gettext