diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 37ac8cd53..f2efe2d42 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.3.2.21-1"
-export PIKA_PACKAGE_NAME="haskell-email-validate"
+export PIKA_PACKAGE_VERSION="1.14.5+repack-1~exp1"
+export PIKA_PACKAGE_NAME="hdf5"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"