diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 479dcc98c..dd6756176 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.7.16-1"
-export PIKA_PACKAGE_NAME="haskell-extra"
+export PIKA_PACKAGE_VERSION="40-7"
+export PIKA_PACKAGE_NAME="gnome-shell-extension-system-monitor"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"