diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 71d1ca9aa..6da8c9b66 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.2.0.1-3"
-export PIKA_PACKAGE_NAME="haskell-hsyaml-aeson"
+export PIKA_PACKAGE_VERSION="37-3"
+export PIKA_PACKAGE_NAME="cevomapgen"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"