diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 503fa99dd..9fd1e41cc 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.0.10+dfsg-2"
-export PIKA_PACKAGE_NAME="r-cran-recipes"
+export PIKA_PACKAGE_VERSION="4:24.05.2-1"
+export PIKA_PACKAGE_NAME="dolphin"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"