diff --git a/projects/myanmar-tools/Dockerfile b/projects/myanmar-tools/Dockerfile
index 42d1adc5c..90f94c627 100644
--- a/projects/myanmar-tools/Dockerfile
+++ b/projects/myanmar-tools/Dockerfile
@@ -17,7 +17,8 @@ MAINTAINER sffc@google.com
 
 RUN apt-get update && apt-get -y install \
     build-essential \
-    cmake
+    cmake \
+    libunwind-dev
 RUN git clone https://github.com/google/myanmar-tools.git
 WORKDIR $SRC/myanmar-tools/clients/cpp/
 COPY build.sh $SRC/