diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index f6183066c..731d866c6 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.0.0-6"
-export PIKA_PACKAGE_NAME="haskell-time-units"
+export PIKA_PACKAGE_VERSION="0.1.0.12-4"
+export PIKA_PACKAGE_NAME="haskell-ghc-paths"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"