diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 3e03b3872..2c86a90ca 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.7.1-1"
-export PIKA_PACKAGE_NAME="no-littering-el"
+export PIKA_PACKAGE_VERSION="1.3.8-3"
+export PIKA_PACKAGE_NAME="python-rfc3987"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"