diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index c4aa6e64e..46b8718e7 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="24.12.12-1"
-export PIKA_PACKAGE_NAME="numix-icon-theme-circle"
+export PIKA_PACKAGE_VERSION="4.0.0+dfsg1-6"
+export PIKA_PACKAGE_NAME="xraylib"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"