diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 03ade7199..fbe4348b3 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.19.2-1"
-export PIKA_PACKAGE_NAME="exo"
+export PIKA_PACKAGE_VERSION="3.1.3-1.1"
+export PIKA_PACKAGE_NAME="jinja2"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"