diff --git a/deb-package-builder/extensions/apcu_bc/build.sh b/deb-package-builder/extensions/apcu_bc/build.sh
index c64a7f10..90b727c3 100755
--- a/deb-package-builder/extensions/apcu_bc/build.sh
+++ b/deb-package-builder/extensions/apcu_bc/build.sh
@@ -18,4 +18,7 @@ else
     download_from_pecl apcu_bc-beta
 fi
 
+cp -R ${DEB_BUILDER_DIR}/extensions/apcu_bc/debian ${PACKAGE_DIR}
+envsubst '${SHORT_VERSION}' < ${PACKAGE_DIR}/debian/gcp-php-apcu-bc.install.in \
+         > ${PACKAGE_DIR}/debian/gcp-php${SHORT_VERSION}-apcu-bc.install
 build_package apcu_bc