diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index b19b6631c..35a40c01f 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="3:25.1.0-3"
-export PIKA_PACKAGE_NAME="horizon"
+export PIKA_PACKAGE_VERSION="2.12.0-2"
+export PIKA_PACKAGE_NAME="rust-http-types"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"