diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 11d370a5e..cd64cae5b 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="3.0.1-1"
-export PIKA_PACKAGE_NAME="tetzle"
+export PIKA_PACKAGE_VERSION="5.212.0~alpha4-42"
+export PIKA_PACKAGE_NAME="qtwebkit-opensource-src"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"