diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 79e57d1c1..d0077a1fe 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.1.5.0-4"
-export PIKA_PACKAGE_NAME="haskell-bitvec"
+export PIKA_PACKAGE_VERSION="0.6.2.4-1"
+export PIKA_PACKAGE_NAME="haskell-hackage-security"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"