diff --git a/Dockerfile b/Dockerfile
index 90244d7..d1d4476 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,8 @@
 # Build the ProtonMail Bridge.
-FROM golang:1.15-alpine as build
+FROM golang:1.16-alpine as build
 ENV LANG C.UTF-8
 RUN apk add --no-cache \
+      bash \
       curl \
       gcc \
       git \