diff --git a/ci/build.yml b/ci/build.yml
index e47d5c6c..c030ff5a 100644
--- a/ci/build.yml
+++ b/ci/build.yml
@@ -33,6 +33,7 @@ build-linux-qa:
     - .rules-branch-manual-MR-and-devel-always
   variables:
     BUILD_TAGS: "build_qa"
+    VCPKG_MAX_CONCURRENCY: 1
 
 build-darwin:
   extends: