diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 38e2c85ca..42bf487fb 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.5.6+ds-2"
-export PIKA_PACKAGE_NAME="python-cgecore"
+export PIKA_PACKAGE_VERSION="1.19.9+dfsg1-1"
+export PIKA_PACKAGE_NAME="xkcdpass"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"