diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 9ce35483b..05fe1df01 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="3.0.1-1"
-export PIKA_PACKAGE_NAME="spyder-kernels"
+export PIKA_PACKAGE_VERSION="1.3.2-6"
+export PIKA_PACKAGE_NAME="rust-bitflags-1"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"