diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index aa1dd4639..c2ef3679c 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.54.0.1-1"
-export PIKA_PACKAGE_NAME="di"
+export PIKA_PACKAGE_VERSION="5.6.5-1"
+export PIKA_PACKAGE_NAME="cbor2"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"