diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 4bf9e1816..72392e000 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.10.2+ds-10"
-export PIKA_PACKAGE_NAME="rust-pkcs8"
+export PIKA_PACKAGE_VERSION="4.2-2"
+export PIKA_PACKAGE_NAME="pyroma"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"