diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d2f9541b9..25c4f9b75 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.57-1"
-export PIKA_PACKAGE_NAME="libtext-csv-xs-perl"
+export PIKA_PACKAGE_VERSION="1.03-1"
+export PIKA_PACKAGE_NAME="libtest-utf8-perl"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"