diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 2e83c00c2..870a15917 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.0.0-1"
-export PIKA_PACKAGE_NAME="sphinxcontrib-devhelp"
+export PIKA_PACKAGE_VERSION="6.2.2401+dfsg1-3"
+export PIKA_PACKAGE_NAME="netgen"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"