diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index bf2b539e8..ef3d9092e 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.1.6-2"
-export PIKA_PACKAGE_NAME="rust-regex-lite"
+export PIKA_PACKAGE_VERSION="0.20.3-5"
+export PIKA_PACKAGE_NAME="elm-mode"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"