diff --git a/.gitlab-ci-build.yml.in b/.gitlab-ci-build.yml.in
index 1891062..4a13b3a 100644
--- a/.gitlab-ci-build.yml.in
+++ b/.gitlab-ci-build.yml.in
@@ -40,6 +40,7 @@ stages:
       ${EXCEPT}
       sources
   script:
+    - find "${PACKER_CONFIG_DIR}" -name '*_linux_amd64' -exec chmod +x '{}' ";"
     - packer init sources
     - echo $COMMAND > build.sh
     - bash build.sh || exit 1