diff --git a/docker/android-ndk/Dockerfile b/docker/android-ndk/Dockerfile
index 8fe535f50b1e9aaf8ab6ee2a495160d4882d68ca..ffe189b3b7b751f59bc6cb7991641bdb461db930 100644
--- a/docker/android-ndk/Dockerfile
+++ b/docker/android-ndk/Dockerfile
@@ -24,7 +24,7 @@ RUN apt-get update -qq && \
 # JNI build dependencies w/ 32-bit compatible C libs
 RUN apt-get update -qq && \
     apt-get -y install docker-ce docker-ce-cli make gcc swig file lib32stdc++6 lib32z1 \
-    autoconf autogen automake autopoint autotools-dev gettext-base libtool patch pkg-config && \
+    autoconf autogen automake autopoint autotools-dev gettext-base libtool patch pkg-config po4a && \
     apt-get clean && \
     apt-get autoclean && \
     rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*