diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 49dc21a3d..b6e91a1fa 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="3.1.83+dfsg-1"
-export PIKA_PACKAGE_NAME="hbci4java"
+export PIKA_PACKAGE_VERSION="51-1"
+export PIKA_PACKAGE_NAME="tantan"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"