diff --git a/.github/workflows/deploy_play_store.yml b/.github/workflows/deploy_play_store.yml
index 758f57e2..42188cd6 100644
--- a/.github/workflows/deploy_play_store.yml
+++ b/.github/workflows/deploy_play_store.yml
@@ -64,6 +64,7 @@ jobs:
           echo "storePassword=$KEYSTORE_STORE_PASSWORD" >> key.properties
           echo "keyAlias=$KEYSTORE_KEY_ALIAS" >> key.properties
           echo "storeFile=upload-keystore.jks" >> key.properties
+          echo "$PLAY_STORE_JSON_KEY" > PLAY_STORE_JSON_KEY.json
         env:
           PLAY_STORE_UPLOAD_KEY: ${{ secrets.PLAY_STORE_UPLOAD_KEY }}
           KEYSTORE_KEY_ALIAS: ${{ secrets.KEYSTORE_KEY_ALIAS }}
diff --git a/android/fastlane/Appfile b/android/fastlane/Appfile
index 4d80bc10..45e6f7d3 100644
--- a/android/fastlane/Appfile
+++ b/android/fastlane/Appfile
@@ -1 +1,2 @@
-package_name("dk.cachet.carp_study_app") #
\ No newline at end of file
+package_name("dk.cachet.carp_study_app") #
+json_key_file("PLAY_STORE_JSON_KEY.json") #
\ No newline at end of file