diff --git a/metadata/org.linphone.yml b/metadata/org.linphone.yml
index cea9bf8007..0839107cb1 100644
--- a/metadata/org.linphone.yml
+++ b/metadata/org.linphone.yml
@@ -566,6 +566,7 @@ Builds:
   - versionName: 4.2.1
     versionCode: 4215
     commit: 4.2.1
+    timeout: 20000
     sudo:
       - apt-get update || apt-get update
       - apt-get install -y --no-install-recommends cmake -t stretch-backports