diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d210bb314..9ec26c566 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="5.1.0-1"
-export PIKA_PACKAGE_NAME="guice"
+export PIKA_PACKAGE_VERSION="5.0-3"
+export PIKA_PACKAGE_NAME="zope.deferredimport"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"