diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index a0ca31c90..f7f0649d9 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.4.2-3"
-export PIKA_PACKAGE_NAME="haskell-ini"
+export PIKA_PACKAGE_VERSION="0.5.1-1"
+export PIKA_PACKAGE_NAME="rust-piz"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"