diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index a137b9d46..dcf91923b 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="5.9.4-1"
-export PIKA_PACKAGE_NAME="pymca"
+export PIKA_PACKAGE_VERSION="1.20.0-4"
+export PIKA_PACKAGE_NAME="tahoe-lafs"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"