diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 651996e24..de9201e21 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.2.4-7"
-export PIKA_PACKAGE_NAME="haskell-boolean"
+export PIKA_PACKAGE_VERSION="1.1.0.1-5"
+export PIKA_PACKAGE_NAME="haskell-system-posix-redirect"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"