diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index ff07bea09..276fdd7df 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.9.3+dfsg-2"
-export PIKA_PACKAGE_NAME="python-wordcloud"
+export PIKA_PACKAGE_VERSION="202309.3-7"
+export PIKA_PACKAGE_NAME="rdkit"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"