diff --git a/Dockerfile b/Dockerfile
index c9a976b..7b68981 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,5 @@
 # https://hub.docker.com/r/cfssl/cfssl
-# FIXME: revert to semver when https://github.com/cloudflare/cfssl/issues/1287 ships
-FROM cfssl/cfssl:nicky-docker-arch
+FROM cfssl/cfssl:v1.6.5
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
     inotify-tools \