diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 0670503af..ad9dae061 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.0.14-1"
-export PIKA_PACKAGE_NAME="rust-itoa"
+export PIKA_PACKAGE_VERSION="0.9.4-1"
+export PIKA_PACKAGE_NAME="rust-gdk4-sys"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"