diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 4002e159c..76ed0f19f 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.1-2"
-export PIKA_PACKAGE_NAME="astropy-sphinx-theme"
+export PIKA_PACKAGE_VERSION="1.2.1-2"
+export PIKA_PACKAGE_NAME="pytest-doctestplus"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"