$ git diff
diff --git a/Dockerfile b/Dockerfile
index ad5344de..c2536e16 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,6 +20,10 @@ WORKDIR /mastodon
RUN apk -U upgrade \
&& apk add --no-cache ca-certificates wget \
+ && sed -i /DST_Root_CA_X3.crt/d /etc/ca-certificates.conf \
+ && rm /etc/ssl/certs/2e5ac55d.0 \
+ /etc/ssl/certs/ca-cert-DST_Root_CA_X3.pem \
+ /usr/share/ca-certificates/mozilla/DST_Root_CA_X3.crt \
&& update-ca-certificates \
&& apk add -t build-dependencies \
build-base \
diff --git a/Gemfile.lock b/Gemfile.lock
index 632467c3..517ab5d3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -172,7 +172,7 @@ GEM
erubi (1.7.0)
et-orbi (1.0.8)
tzinfo
- excon (0.59.0)
+ excon (0.86.0)
fabrication (2.18.0)
faker (1.8.4)
i18n (~> 0.5)
して