diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 4f32979c4..019a935d4 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.2.10+dfsg1-9"
-export PIKA_PACKAGE_NAME="velvet"
+export PIKA_PACKAGE_VERSION="1.4.2+dfsg-6"
+export PIKA_PACKAGE_NAME="scikit-learn"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"