diff --git a/docker/alpine/Dockerfile b/docker/alpine/Dockerfile
index 572ecc82..0a1fd9d9 100644
--- a/docker/alpine/Dockerfile
+++ b/docker/alpine/Dockerfile
@@ -35,6 +35,7 @@ RUN set -ex \
  && apk del .build-deps \
  # Runtime dependencies setup
  && apk add --no-cache \
+      ca-certificates \
       rng-tools \
       $(scanelf --needed --nobanner /usr/bin/ss-* \
       | awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' \