diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 0cec57225..7affb4804 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.10.0-4"
-export PIKA_PACKAGE_NAME="lazy-object-proxy"
+export PIKA_PACKAGE_VERSION="1:0.6-4+dfsg-1"
+export PIKA_PACKAGE_NAME="r-cran-rsdmx"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"