diff --git a/src/constants.ts b/src/constants.ts
index 0d5fc76..53e1ff7 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -9,6 +9,9 @@ export const severityOrder: Record<SeverityLabel, number> = {
   unknown: 1
 };
 
+export const DEFAULT_BATCH_SIZE = 100;
+export const DEFAULT_SEARCH_DEPTH = 4;
+
 export const EXCLUDED_DIRS = new Set([
   ".git",
   "node_modules",
diff --git a/src/index.ts b/src/index.ts
index 178bb33..30627b5 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -10,7 +10,7 @@ import { loadPackages, buildNoPackagesMessage } from "./parsers/index.js";
 import { scanPackages, buildCoverageNotes, createAdvisorySource } from "./scanner.js";
 import { syncOsvAdvisories } from "./advisory/osv-sync.js";
 import { normalizeSeverity } from "./osv/severity.js";
-import { severityOrder } from "./constants.js";
+import { DEFAULT_BATCH_SIZE, DEFAULT_SEARCH_DEPTH, severityOrder } from "./constants.js";
 import { chalk } from "./utils/chalk.js";
 import { createSpinner } from "./output/spinner.js";
 import { buildSuggestedFixCommandPlan } from "./remediation/fix-commands.js";
@@ -69,8 +69,8 @@ if (parsedArgs) {
     process.exit(0);
   } else {
   const projectPath = path.resolve(projectArg || ".");
-  const batchSize = Number(options.batchSize || 100);
-  const searchDepth = Math.max(0, Number(options.searchDepth || 4));
+  const batchSize = Number(options.batchSize || DEFAULT_BATCH_SIZE);
+  const searchDepth = Math.max(0, Number(options.searchDepth || DEFAULT_SEARCH_DEPTH));
 
   async function main() {
     printBanner(options);