diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 8f662c990..c67d7fa09 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.0.1-3"
-export PIKA_PACKAGE_NAME="rust-rust-argon2"
+export PIKA_PACKAGE_VERSION="4.2+dfsg-1"
+export PIKA_PACKAGE_NAME="dpuser"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"