diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index dc15b4e03..962e4f1c7 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.3.36-2"
-export PIKA_PACKAGE_NAME="rust-time"
+export PIKA_PACKAGE_VERSION="2.4.1-4"
+export PIKA_PACKAGE_NAME="haskell-rsa"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"