diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index cc5e4f713..6cf499658 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.1.2-10"
-export PIKA_PACKAGE_NAME="libkarma"
+export PIKA_PACKAGE_VERSION="1.10.0-1"
+export PIKA_PACKAGE_NAME="libdatetime-format-rfc3339-perl"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"