diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 3dc965103..262b3b498 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.10-1"
-export PIKA_PACKAGE_NAME="cmlxom"
+export PIKA_PACKAGE_VERSION="1:13+2025.01.20"
+export PIKA_PACKAGE_NAME="debian-security-support"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"