diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index de69eef2..6ea00644 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -41,6 +41,8 @@ RUN set -ex; \
         pcre-dev \
         postgresql-dev \
     ; \
+    # Install diffutils to address diff dependencies issue
+    apk add --no-cache diffutils; \
     \
     docker-php-ext-configure ftp --with-openssl-dir=/usr; \
     docker-php-ext-configure gd --with-freetype --with-jpeg --with-webp; \