diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index f18b97fca..7cb6b5e13 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="8.19-2"
-export PIKA_PACKAGE_NAME="coqprime"
+export PIKA_PACKAGE_VERSION="1.9.0-2"
+export PIKA_PACKAGE_NAME="coq-simple-io"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"