diff --git a/backend/scripts/p3-acceptance.mjs b/backend/scripts/p3-acceptance.mjs
index 65ab5446..680cbd94 100644
--- a/backend/scripts/p3-acceptance.mjs
+++ b/backend/scripts/p3-acceptance.mjs
@@ -723,8 +723,10 @@ async function mutateWorkspaceDescriptor(ctx, workspaceId, mutator, commitMessag
   ctx.workspaceObjects[workspaceId === "p2-dwh" ? "dwh" : "filesystem"] = workspace;
   await writeFile(join(author, workspaceId, "workspace.yaml"), descriptorYaml(workspace));
   const docs = ctx.workspaceModules.renderWorkspaceDocs(workspace);
-  await writeFile(join(author, "workspace-docs", workspaceId, "contract.env.example"), docs.envExample);
-  await writeFile(join(author, "workspace-docs", workspaceId, "README.md"), docs.markdown);
+  const docsDir = join(author, "workspace-docs", workspaceId);
+  await mkdir(docsDir, { recursive: true, mode: 0o700 });
+  await writeFile(join(docsDir, "contract.env.example"), docs.envExample);
+  await writeFile(join(docsDir, "README.md"), docs.markdown);
   await git(ctx, ["add", `${workspaceId}/workspace.yaml`, `workspace-docs/${workspaceId}/contract.env.example`, `workspace-docs/${workspaceId}/README.md`], author);
   await git(ctx, ["commit", "-m", commitMessage], author);
   await git(ctx, ["push", "origin", "main"], author);