diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index bf56fc327..62115702e 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.4.0-1.1"
-export PIKA_PACKAGE_NAME="python-libcst"
+export PIKA_PACKAGE_VERSION="6.7.2+dfsg-8"
+export PIKA_PACKAGE_NAME="qt6-webengine"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"