diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 195e92760..b89e9dac9 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="5.3~rc16+dfsg-11"
-export PIKA_PACKAGE_NAME="tree-puzzle"
+export PIKA_PACKAGE_VERSION="20240919-1"
+export PIKA_PACKAGE_NAME="openjazz"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"