diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index f59d8dd91..75d2ffc06 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="8.6.16"
-export PIKA_PACKAGE_NAME="tcltk-defaults"
+export PIKA_PACKAGE_VERSION="0.9.1-2"
+export PIKA_PACKAGE_NAME="rl-accel"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"