diff --git a/packages/vertex-sdk/scripts/postprocess-dist-package-json.cjs b/packages/vertex-sdk/scripts/postprocess-dist-package-json.cjs
index 0645ae09..f8abd4b9 100644
--- a/packages/vertex-sdk/scripts/postprocess-dist-package-json.cjs
+++ b/packages/vertex-sdk/scripts/postprocess-dist-package-json.cjs
@@ -4,7 +4,7 @@ const pkgJson = require('../dist/package.json');
 for (const dep in pkgJson.dependencies) {
   // ensure we point to NPM instead of a local directory
   if (dep === '@anthropic-ai/sdk') {
-    pkgJson.dependencies[dep] = '^0.14';
+    pkgJson.dependencies[dep] = '>=0.14 <1';
   }
 }