diff --git a/practice-app/compose.yml b/practice-app/compose.yml
index 43c68f37..a5e23812 100644
--- a/practice-app/compose.yml
+++ b/practice-app/compose.yml
@@ -30,3 +30,4 @@ services:
       API_KEY: "${API_KEY}"
       API_KEY_GAME_REVIEW: "${API_KEY_GAME_REVIEW}"
       X-RapidAPI-Key: "${X-RapidAPI-Key}"
+      HEARTHSTONE_API_SINGLE_CARD_KEY: "${HEARTHSTONE_API_SINGLE_CARD_KEY}"