diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index a29450541..49e6b1076 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.2.24-1"
-export PIKA_PACKAGE_NAME="rust-drt-tools"
+export PIKA_PACKAGE_VERSION="5.15.15+dfsg-1"
+export PIKA_PACKAGE_NAME="qtbase-opensource-src"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"