diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 917069852..eb47424c9 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.16.1-7"
-export PIKA_PACKAGE_NAME="rust-smithay-client-toolkit-0.16"
+export PIKA_PACKAGE_VERSION="1.0.109-3"
+export PIKA_PACKAGE_NAME="rust-syn-1"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"