diff --git a/letsencrypt/Dockerfile b/letsencrypt/Dockerfile
index a1667fa..3665afa 100644
--- a/letsencrypt/Dockerfile
+++ b/letsencrypt/Dockerfile
@@ -5,7 +5,7 @@ ENV VERSION %%VERSION%%
 ENV LANG C.UTF-8
 
 # Setup base
-RUN apk add --no-cache jq git python
+RUN apk add --no-cache jq git python curl
 
 # Copy data
 COPY run.sh /
diff --git a/letsencrypt/config.json b/letsencrypt/config.json
index c98fc83..d233fd4 100644
--- a/letsencrypt/config.json
+++ b/letsencrypt/config.json
@@ -1,6 +1,6 @@
 {
   "name": "Let's Encrypt",
-  "version": "0.3",
+  "version": "0.4",
   "slug": "letsencrypt",
   "description": "Manage Let's Encrypt certificate",
   "url": "https://home-assistant.io/addons/lets_encrypt/",