diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index a6353d6f6..2b5a2e151 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="7.0.0-1"
-export PIKA_PACKAGE_NAME="astropy"
+export PIKA_PACKAGE_VERSION="0.5.1-1"
+export PIKA_PACKAGE_NAME="rust-asn1-rs-derive"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"