diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1514fae09e4a57bfd955a4d1c00ffad3dde55bd5..addc39bce4f12743e357684c217af3af2e614c39 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -36,6 +36,7 @@ include:
       platform: 'aarch64'
       tagname: 'RaspberryPi'
       no_javascript: 'yes'
+      build_flags: 'CC="ccache cc" CXX="ccache c++" RELEASE=1'
   - local: '.gitlab-ci-unix.yml'
     inputs:
       os: "linux"