diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index ac9a23fd8..f1b34561a 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.6.3-1"
-export PIKA_PACKAGE_NAME="rust-magnus"
+export PIKA_PACKAGE_VERSION="0.35.0-1"
+export PIKA_PACKAGE_NAME="rust-pnet-datalink"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"