diff --git a/Dockerfile b/Dockerfile
index c0f584dc4..fb849d518 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -29,6 +29,7 @@ RUN apt-get update && \
         libgdbm-dev \
         libgmp-dev \
         libssl-dev \
+        libyaml-dev \
         libyaml-0-2 \
         ca-certificates \
         libreadline8 \