diff --git a/src/amd/ci/gitlab-ci.yml b/src/amd/ci/gitlab-ci.yml
index a473b2c705f39..e754ddd4c9da4 100644
--- a/src/amd/ci/gitlab-ci.yml
+++ b/src/amd/ci/gitlab-ci.yml
@@ -231,7 +231,7 @@ vkcts-navi10-valve:
 
 vkcts-navi21-valve:
   timeout: 35m
-  parallel: 4
+  parallel: 3
   extends:
     - .vkcts-test-valve
     - .navi21-test-valve