diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 87e24c557..f5343610a 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="115.13.0esr-2"
-export PIKA_PACKAGE_NAME="firefox-esr"
+export PIKA_PACKAGE_VERSION="0.16.0-1"
+export PIKA_PACKAGE_NAME="jpy"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"