diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d608eb4d5..6513748b8 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.5.0.3-3"
-export PIKA_PACKAGE_NAME="haskell-numtype-dk"
+export PIKA_PACKAGE_VERSION="0.0.2-5"
+export PIKA_PACKAGE_NAME="haskell-wcwidth"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"