diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index f0b209521..af28d47a4 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.6.3+ds-1"
-export PIKA_PACKAGE_NAME="python-pycddl"
+export PIKA_PACKAGE_VERSION="0.8.1-1"
+export PIKA_PACKAGE_NAME="libdex"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"