diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 387866dad..fbeaa9717 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.20.2-1"
-export PIKA_PACKAGE_NAME="haskell-servant-client"
+export PIKA_PACKAGE_VERSION="1:0.76-1"
+export PIKA_PACKAGE_NAME="libpdl-io-hdf5-perl"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"