diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d0150e187..1141b36b8 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="3.5.0-1"
-export PIKA_PACKAGE_NAME="golang-github-puzpuzpuz-xsync"
+export PIKA_PACKAGE_VERSION="9.3.0+dfsg1-4"
+export PIKA_PACKAGE_NAME="vtk9"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"