diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d976d1314..631b50668 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.4.8-1.1"
-export PIKA_PACKAGE_NAME="django-widget-tweaks"
+export PIKA_PACKAGE_VERSION="20240923-2"
+export PIKA_PACKAGE_NAME="coq-unimath"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"