diff --git a/pinafore/Containerfile b/pinafore/Containerfile
index 0d93016..4cdff52 100644
--- a/pinafore/Containerfile
+++ b/pinafore/Containerfile
@@ -1,6 +1,6 @@
 FROM reg.zknt.org/zknt/node:16
 
-ENV VERSION v2.3.0
+ENV VERSION v2.3.1
 
 RUN set -xe;\
   curl -LO https://github.com/nolanlawson/pinafore/archive/${VERSION}.tar.gz &&\