diff --git a/Dockerfile.alpine b/Dockerfile.alpine
index eaad43e..ae0f40f 100644
--- a/Dockerfile.alpine
+++ b/Dockerfile.alpine
@@ -13,6 +13,10 @@ USER root
 # ADD apk repository
 RUN printf "@testing https://dl-cdn.alpinelinux.org/alpine/edge/testing\n" >> /etc/apk/repositories
 
+# Update & Upgrade first
+RUN --mount=type=cache,target=/var/cache/apk \
+    apk update && apk upgrade && apk install git
+
 # INSTALL PHP OpenSSL
 RUN --mount=type=cache,target=/var/cache/apk \
     apk add --update php${PHP_VERSION}-openssl; exit 0
diff --git a/Dockerfile.ubuntu b/Dockerfile.ubuntu
index 4bd5da7..8f21c53 100644
--- a/Dockerfile.ubuntu
+++ b/Dockerfile.ubuntu
@@ -10,6 +10,11 @@ WORKDIR /tmp
 
 USER root
 
+# INSTALL GIT
+RUN --mount=type=cache,target=/var/cache/apt/archives \
+    apt -y update && apt -y upgrade && apt -y install \
+    git
+
 # DOWNLOAD AND INSTALL COMPOSER
 ADD https://getcomposer.org/installer ./composer-setup.php
 RUN php composer-setup.php --version=${COMPOSER_VERSION} && mv composer.phar /usr/local/bin/composer && rm -f ./composer-setup.php