diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 7a3c1a5ce..d451824c1 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.11.0-1"
-export PIKA_PACKAGE_NAME="rust-ashpd"
+export PIKA_PACKAGE_VERSION="2.3-20-1"
+export PIKA_PACKAGE_NAME="r-cran-flexmix"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"