diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 0e99581c0..c1157f283 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.91+ds-1"
-export PIKA_PACKAGE_NAME="asymptote"
+export PIKA_PACKAGE_VERSION="0.15.16-1"
+export PIKA_PACKAGE_NAME="rust-rowan"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"