diff --git a/Dockerfile b/Dockerfile
index 7346107..b69e5a1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,8 @@
 FROM ruby:2.6.6-alpine3.12
 
-ARG VERSION=v3.1.5
+ARG VERSION=v3.2.0
 ARG REPOSITORY=tootsuite/mastodon
-ARG LIBICONV_VERSION=1.15
+ARG LIBICONV_VERSION=1.16
 
 ENV UID=991 GID=991 \
     RUN_DB_MIGRATIONS=true \