diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index c8bc3df2e..081411e90 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.12.0-1"
-export PIKA_PACKAGE_NAME="rust-http-types"
+export PIKA_PACKAGE_VERSION="1.4.1-1"
+export PIKA_PACKAGE_NAME="python-didl-lite"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"