diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index e1743a747..ba2a8598a 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="5.6.0-1"
-export PIKA_PACKAGE_NAME="python-pyfakefs"
+export PIKA_PACKAGE_VERSION="4.4.7+dfsg-2"
+export PIKA_PACKAGE_NAME="request-tracker4"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"