diff --git a/.github/workflows/codeboarding.yml b/.github/workflows/codeboarding.yml
index 1ec6e5eb..cefff059 100644
--- a/.github/workflows/codeboarding.yml
+++ b/.github/workflows/codeboarding.yml
@@ -38,6 +38,7 @@ jobs:
     steps:
       - uses: CodeBoarding/CodeBoarding-action@v1
         with:
+          depth_cap: '4'
           # Your CodeBoarding plan, on CodeBoarding's hosted tier. The run fails with
           # a message naming this secret if CODEBOARDING_LICENSE is not set.
           llm: license
@@ -55,6 +56,7 @@ jobs:
       - uses: CodeBoarding/CodeBoarding-action@v1
         with:
           mode: sync
+          depth_cap: '4'
           # Your CodeBoarding plan, on CodeBoarding's hosted tier. The run fails with
           # a message naming this secret if CODEBOARDING_LICENSE is not set.
           llm: license