diff --git a/Dockerfile b/Dockerfile
index b07c2f7..278a7a2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ ENV SERIAL 3
 
 ENV CFLAGS=-Ofast
 ENV BUILD_DEPS   curl make build-essential git libevent-dev libexpat1-dev autoconf file libssl-dev byacc
-ENV RUNTIME_DEPS bash util-linux coreutils findutils grep openssl ldnsutils libevent-dev expat coreutils ca-certificates runit runit-systemd
+ENV RUNTIME_DEPS bash util-linux coreutils findutils grep openssl ldnsutils libevent-2.1 expat coreutils ca-certificates runit runit-systemd
 
 RUN apt-get update; apt-get -qy dist-upgrade; apt-get -qy clean
 RUN apt-get install -qy --no-install-recommends $RUNTIME_DEPS