diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index fe5fc7e69..48fac7f9b 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.4.0-1"
-export PIKA_PACKAGE_NAME="postfix-mta-sts-resolver"
+export PIKA_PACKAGE_VERSION="5.6.23-1"
+export PIKA_PACKAGE_NAME="r-cran-lpsolve"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"