diff --git a/src/commands/lambda/__tests__/functions/instrument.part2.test.ts b/src/commands/lambda/__tests__/functions/instrument.part2.test.ts
index 638270488..7e466824e 100644
--- a/src/commands/lambda/__tests__/functions/instrument.part2.test.ts
+++ b/src/commands/lambda/__tests__/functions/instrument.part2.test.ts
@@ -62,6 +62,7 @@ describe('instrument', () => {
     })
 
     test.each([
+      [Runtime.python39, 'Datadog-Python39'],
       [Runtime.python310, 'Datadog-Python310'],
       [Runtime.python311, 'Datadog-Python311'],
       [Runtime.python312, 'Datadog-Python312'],
@@ -104,6 +105,7 @@ describe('instrument', () => {
     })
 
     test.each([
+      [Runtime.python39, 'Datadog-Python39-ARM'],
       [Runtime.python310, 'Datadog-Python310-ARM'],
       [Runtime.python311, 'Datadog-Python311-ARM'],
       [Runtime.python312, 'Datadog-Python312-ARM'],