diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index eb9293f6b..b9dab3679 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.22.0-8"
-export PIKA_PACKAGE_NAME="gpsim-doc"
+export PIKA_PACKAGE_VERSION="3.21.6+dfsg1-3"
+export PIKA_PACKAGE_NAME="petsc"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"