diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 67e532fe5..c7acb53c8 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.2.12-7"
-export PIKA_PACKAGE_NAME="haskell-hourglass"
+export PIKA_PACKAGE_VERSION="0.11.101.0-3"
+export PIKA_PACKAGE_NAME="haskell-cryptohash-sha1"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"