diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 5729be573..d77bed509 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.3.8.b+dfsg-4"
-export PIKA_PACKAGE_NAME="proftpd-dfsg"
+export PIKA_PACKAGE_VERSION="6.1.5-2"
+export PIKA_PACKAGE_NAME="astropy"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"