diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index db85fee11..009270740 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="47.3-1"
-export PIKA_PACKAGE_NAME="gnome-shell-extensions"
+export PIKA_PACKAGE_VERSION="8.03.01-1"
+export PIKA_PACKAGE_NAME="camlp5"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"