diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 56ba3ec00..c72805f20 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="5.8-1-1"
-export PIKA_PACKAGE_NAME="r-cran-ape"
+export PIKA_PACKAGE_VERSION="1.14.1-2"
+export PIKA_PACKAGE_NAME="mypy"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"