diff --git a/pika-build-config/v3.sh b/pika-build-config/v3.sh
index 1813f0fba..4b9d1c06d 100644
--- a/pika-build-config/v3.sh
+++ b/pika-build-config/v3.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="282"
-export PIKA_PACKAGE_NAME="diffoscope"
+export PIKA_PACKAGE_VERSION="5.15.15+dfsg-2"
+export PIKA_PACKAGE_NAME="qtbase-opensource-src"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b1"