diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d4fec9a32..0c79c4f21 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1:4000.4.1-2"
-export PIKA_PACKAGE_NAME="haskell-http"
+export PIKA_PACKAGE_VERSION="0.13.3-2"
+export PIKA_PACKAGE_NAME="rust-yamux"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"