diff --git a/ci/repo-config/macos/alibuildmac05/qualitycontrol-o2.env b/ci/repo-config/macos/alibuildmac05/qualitycontrol-o2.env
index 85f0140f..3fb825ab 100644
--- a/ci/repo-config/macos/alibuildmac05/qualitycontrol-o2.env
+++ b/ci/repo-config/macos/alibuildmac05/qualitycontrol-o2.env
@@ -13,3 +13,4 @@ alisw/alidist master"
 ALIBUILD_O2_TESTS=1
 DONT_USE_COMMENTS=1
 TIMEOUT=300
+INSTALL_ALIBUILD='ktf/alibuild@pyproject#egg=alibuild'