diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index bf418b82e..310a4040e 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.0~git20180709.8b13a72-5"
-export PIKA_PACKAGE_NAME="golang-github-aead-chacha20"
+export PIKA_PACKAGE_VERSION="1.1.13"
+export PIKA_PACKAGE_NAME="ipip"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"