diff --git a/genkit-tools/common/src/runner/runner.ts b/genkit-tools/common/src/runner/runner.ts
index c1ee24be4..d72940c80 100644
--- a/genkit-tools/common/src/runner/runner.ts
+++ b/genkit-tools/common/src/runner/runner.ts
@@ -301,6 +301,7 @@ export class Runner {
       }
     } else if (
       extension === '.js' ||
+      extension === '.ts' ||
       extension === '.prompt' ||
       extension === '.go'
     ) {