diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 75cb6e308..08a92dab1 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.51-1"
-export PIKA_PACKAGE_NAME="libstat-lsmode-perl"
+export PIKA_PACKAGE_VERSION="0.35-1"
+export PIKA_PACKAGE_NAME="libdatetime-format-flexible-perl"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"