diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index cf542484a..3b99d3861 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.8.0.0-2"
-export PIKA_PACKAGE_NAME="haskell-primitive"
+export PIKA_PACKAGE_VERSION="0.2.0.0-9"
+export PIKA_PACKAGE_NAME="haskell-heredoc"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"