diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 5ebb115b4..edecaefc1 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="8.19.0+ds1-2"
-export PIKA_PACKAGE_NAME="coq-corn"
+export PIKA_PACKAGE_VERSION="4.11.1-1"
+export PIKA_PACKAGE_NAME="coq-interval"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b3"