diff --git a/Dockerfile.base b/Dockerfile.base
index 5980cb8..9718bea 100644
--- a/Dockerfile.base
+++ b/Dockerfile.base
@@ -18,6 +18,7 @@ RUN <<EOF
         openssh-keygen \
         openssh-keysign \
         rsync \
+        patch \
         php-${PHP_VERSION} \
         php-${PHP_VERSION}-fileinfo \
         php-${PHP_VERSION}-openssl \