diff --git a/metadata/ch.admin.bag.covidcertificate.wallet.yml b/metadata/ch.admin.bag.covidcertificate.wallet.yml
index 80c3f54653..f249c5bcc0 100644
--- a/metadata/ch.admin.bag.covidcertificate.wallet.yml
+++ b/metadata/ch.admin.bag.covidcertificate.wallet.yml
@@ -385,7 +385,7 @@ Builds:
     subdir: wallet
     sudo:
       - apt-get update || apt-get update
-      - apt-get install -y openjdk-11-jdk-headless
+      - apt-get install -y apksigner openjdk-11-jdk-headless
       - update-alternatives --auto java
     gradle:
       - prod