diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 8919794eb..10a41d844 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.1.3+20240618+dfsg-7"
-export PIKA_PACKAGE_NAME="rust-curve25519-dalek"
+export PIKA_PACKAGE_VERSION="2.1.0-1"
+export PIKA_PACKAGE_NAME="golang-github-go-viper-mapstructure"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"