diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d4599dad9..a03e9ebff 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.1.22-1"
-export PIKA_PACKAGE_NAME="libmtp"
+export PIKA_PACKAGE_VERSION="1.0.1-1"
+export PIKA_PACKAGE_NAME="python-cytoolz"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"