diff --git a/31/apache/Dockerfile b/31/apache/Dockerfile
index 33cfd75b..e8be010f 100644
--- a/31/apache/Dockerfile
+++ b/31/apache/Dockerfile
@@ -8,6 +8,7 @@ RUN set -ex; \
     apt-get install -y --no-install-recommends \
         busybox-static \
         bzip2 \
+        ffmpeg \
         libldap-common \
         libmagickcore-7.q16-10-extra \
         rsync \
diff --git a/31/fpm-alpine/Dockerfile b/31/fpm-alpine/Dockerfile
index 10b57b1d..e1dd6a89 100644
--- a/31/fpm-alpine/Dockerfile
+++ b/31/fpm-alpine/Dockerfile
@@ -26,6 +26,7 @@ RUN set -ex; \
     apk add --no-cache --virtual .build-deps \
         $PHPIZE_DEPS \
         autoconf \
+        ffmpeg \
         freetype-dev \
         gmp-dev \
         icu-dev \
diff --git a/31/fpm/Dockerfile b/31/fpm/Dockerfile
index c4356381..630b333f 100644
--- a/31/fpm/Dockerfile
+++ b/31/fpm/Dockerfile
@@ -8,6 +8,7 @@ RUN set -ex; \
     apt-get install -y --no-install-recommends \
         busybox-static \
         bzip2 \
+        ffmpeg \
         libldap-common \
         libmagickcore-7.q16-10-extra \
         rsync \