diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 1b32a3df6..492671c69 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.10.4-1"
-export PIKA_PACKAGE_NAME="python-s3transfer"
+export PIKA_PACKAGE_VERSION="0.9.27+ds6-9"
+export PIKA_PACKAGE_NAME="libdemeter-perl"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"