diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 907c8b9f1..f092c46cb 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.2.1-7"
-export PIKA_PACKAGE_NAME="sep"
+export PIKA_PACKAGE_VERSION="12.11"
+export PIKA_PACKAGE_NAME="build-essential"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"