diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 70c015d07..219604519 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.10.0-1"
-export PIKA_PACKAGE_NAME="dune-uggrid"
+export PIKA_PACKAGE_VERSION="1.11.5-1"
+export PIKA_PACKAGE_NAME="kdiff3"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"