diff --git a/Dockerfile b/Dockerfile
index 04ad4a3a..69dce39e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -57,6 +57,8 @@ RUN \
         git \
         graphviz \
         libpcre3 \
+        libtool \
+        m4 \
         parallel \
         pcregrep \
         python \