diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 4f3e96d24..cb6515386 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.6.3-1"
-export PIKA_PACKAGE_NAME="haskell-invariant"
+export PIKA_PACKAGE_VERSION="0.8.8.7-3"
+export PIKA_PACKAGE_NAME="doxypypy"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"