diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 092c2a7f2..9e1f1d840 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="39+nmu1"
-export PIKA_PACKAGE_NAME="usrmerge"
+export PIKA_PACKAGE_VERSION="0.4b49-1"
+export PIKA_PACKAGE_NAME="dump"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"