diff --git a/Dockerfile-php5.template b/Dockerfile-php5.template
index e460d62..29eb025 100644
--- a/Dockerfile-php5.template
+++ b/Dockerfile-php5.template
@@ -7,5 +7,9 @@ ENV COMPOSER_VERSION 0.0.0
 # Install Composer
 RUN php /tmp/composer-setup.php --no-ansi --install-dir=/usr/local/bin --filename=composer --version=${COMPOSER_VERSION} && rm -rf /tmp/composer-setup.php
 
+# Configure git
+RUN git config --global user.email "docker.composer@example.com" \
+        && git config --global user.name "Docker Composer"
+
 # Display version information.
 RUN composer --version
diff --git a/Dockerfile.template b/Dockerfile.template
index 8528f20..97b356f 100644
--- a/Dockerfile.template
+++ b/Dockerfile.template
@@ -7,5 +7,9 @@ ENV COMPOSER_VERSION 0.0.0
 # Install Composer
 RUN php /tmp/composer-setup.php --no-ansi --install-dir=/usr/local/bin --filename=composer --version=${COMPOSER_VERSION} && rm -rf /tmp/composer-setup.php
 
+# Configure git
+RUN git config --global user.email "docker.composer@example.com" \
+        && git config --global user.name "Docker Composer"
+
 # Display version information.
 RUN composer --version
diff --git a/master/Dockerfile b/master/Dockerfile
index a4dddae..564b63b 100644
--- a/master/Dockerfile
+++ b/master/Dockerfile
@@ -7,5 +7,8 @@ ENV COMPOSER_VERSION master
 # Install Composer
 RUN php /tmp/composer-setup.php --no-ansi --install-dir=/usr/local/bin --filename=composer --snapshot && rm -rf /tmp/composer-setup.php
 
+RUN git config --global user.email "docker.composer@example.com" \
+	&& git config --global user.name "Docker Composer"
+
 # Display version information
 RUN composer --version
diff --git a/master/php5/Dockerfile b/master/php5/Dockerfile
index 2526299..60c709e 100644
--- a/master/php5/Dockerfile
+++ b/master/php5/Dockerfile
@@ -7,5 +7,8 @@ ENV COMPOSER_VERSION master
 # Install Composer
 RUN php /tmp/composer-setup.php --no-ansi --install-dir=/usr/local/bin --filename=composer --snapshot && rm -rf /tmp/composer-setup.php
 
+RUN git config --global user.email "docker.composer@example.com" \
+        && git config --global user.name "Docker Composer"
+
 # Display version information
 RUN composer --version