diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index cb0744041..a0c40ae45 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.6.0-1"
-export PIKA_PACKAGE_NAME="php-league-commonmark"
+export PIKA_PACKAGE_VERSION="4.0.11+ds1+~cs11.25.27-4"
+export PIKA_PACKAGE_NAME="jupyterlab"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"