diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 72c1bc3ae..bfa750031 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.5.1-1"
-export PIKA_PACKAGE_NAME="ocaml-flac"
+export PIKA_PACKAGE_VERSION="0.6.5-1"
+export PIKA_PACKAGE_NAME="ocaml-cairo2"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"