diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 4bd53520d..86fbe426b 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="5.9.2-1"
-export PIKA_PACKAGE_NAME="swiftlang"
+export PIKA_PACKAGE_VERSION="0.9.5-1"
+export PIKA_PACKAGE_NAME="rust-gdk4-wayland"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"