diff --git a/s3cmd/install.sh b/s3cmd/install.sh
index a7e16aa..a16241b 100644
--- a/s3cmd/install.sh
+++ b/s3cmd/install.sh
@@ -5,7 +5,7 @@ set -e
 
 # install s3cmd
 apk update
-apk add python py-pip py-setuptools git openssl
+apk add python py-pip py-setuptools git ca-certificates
 pip install python-magic
 git clone https://github.com/s3tools/s3cmd.git /tmp/s3cmd
 cd /tmp/s3cmd