diff --git a/scripts/ci/upload_artifacts.sh b/scripts/ci/upload_artifacts.sh
index 1338f71d3f..6da6b8d6dd 100755
--- a/scripts/ci/upload_artifacts.sh
+++ b/scripts/ci/upload_artifacts.sh
@@ -22,6 +22,7 @@ then
   echo "${S3CFG}" > ~/.s3cfg
   s3cmd put --acl-public /tmp/${FILENAME_APK} s3://qfieldapks/ci-builds/${FILENAME_APK}
   echo -e "\e[31mUploaded to https://sos-ch-dk-2.exo.io/qfieldapks/ci-builds/${FILENAME_APK} \e[0m"
+  sleep 2
   s3cmd modify --add-header=content-type:application/vnd.android.package-archive s3://qfieldapks/ci-builds/${FILENAME_APK}
   echo -e "\e[31mcontent-type modified \e[0m"
 else