diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index eea092fde..8cc2f806a 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.0.17-5"
-export PIKA_PACKAGE_NAME="python-multipart"
+export PIKA_PACKAGE_VERSION="4.0.1-4"
+export PIKA_PACKAGE_NAME="python-hdf5plugin"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"