diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index fc3a3a4a3..b3d6a935f 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1:41.0.0-1"
-export PIKA_PACKAGE_NAME="tempest"
+export PIKA_PACKAGE_VERSION="0~20240906.git0772bc2-1"
+export PIKA_PACKAGE_NAME="matlab-mode"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"