diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 67f1c97ba..d1862b911 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.25.0-1"
-export PIKA_PACKAGE_NAME="r-cran-marginaleffects"
+export PIKA_PACKAGE_VERSION="3.4.2.1-1"
+export PIKA_PACKAGE_NAME="r-cran-maps"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b3"