diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 23d6506d0..8138691c4 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.42+dfsg-1"
-export PIKA_PACKAGE_NAME="r-cran-bookdown"
+export PIKA_PACKAGE_VERSION="0.7.6-1"
+export PIKA_PACKAGE_NAME="rust-arrayvec"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"