diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 7b96c0c1c..70aa84d3a 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="3.4.0-2"
-export PIKA_PACKAGE_NAME="flake8-quotes"
+export PIKA_PACKAGE_VERSION="3.0.1+dfsg-1"
+export PIKA_PACKAGE_NAME="sphinx-rtd-theme"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"