diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 7aa14dd04..08513120e 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.4.2~git20190115.97f14313-6"
-export PIKA_PACKAGE_NAME="python-pyxs"
+export PIKA_PACKAGE_VERSION="2.0.0-2"
+export PIKA_PACKAGE_NAME="rust-associative-cache"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"