diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 1052a329d..52bff5835 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="6.7.2+dfsg-3"
-export PIKA_PACKAGE_NAME="qt6-base"
+export PIKA_PACKAGE_VERSION="1:2.63-1+2024b"
+export PIKA_PACKAGE_NAME="libdatetime-timezone-perl"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"