diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index ef5d673a5..f4cd15a02 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="24.12.1-1"
-export PIKA_PACKAGE_NAME="kalk"
+export PIKA_PACKAGE_VERSION="6.7.2-8"
+export PIKA_PACKAGE_NAME="qt6-connectivity"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"