diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index b1dc8f3d0..8547145f7 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.4.2.11+dfsg-1"
-export PIKA_PACKAGE_NAME="openfec"
+export PIKA_PACKAGE_VERSION="2.4.3+ds-1"
+export PIKA_PACKAGE_NAME="gap-scscp"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"