diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 8f15a85c6..f156ad5d8 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.5.11-1"
-export PIKA_PACKAGE_NAME="rust-num-enum-derive"
+export PIKA_PACKAGE_VERSION="1.0.4-3"
+export PIKA_PACKAGE_NAME="python-twomemo"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"