diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 430a90d74..4561c285e 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.9.9-6"
-export PIKA_PACKAGE_NAME="kpatch"
+export PIKA_PACKAGE_VERSION="1:22-282+ds-4"
+export PIKA_PACKAGE_NAME="mcl"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"