diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index b0329f7c0..eed769510 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2025.2.18+dfsg1-4"
-export PIKA_PACKAGE_NAME="pymatgen"
+export PIKA_PACKAGE_VERSION="6.3.0.3627-1"
+export PIKA_PACKAGE_NAME="davmail"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"