diff --git a/lambda/requirements.txt b/lambda/requirements.txt
index 5b2f4ed7..584ebf76 100644
--- a/lambda/requirements.txt
+++ b/lambda/requirements.txt
@@ -1,3 +1,4 @@
 isodate~=0.6.0
 pydantic~=1.10.4
 typing-extensions~=4.10.0
+ask-sdk~=1.19.0