diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index f7e257170..c430730c5 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.2.0-3"
-export PIKA_PACKAGE_NAME="pytest-pretty"
+export PIKA_PACKAGE_VERSION="3.31.5+ds-1"
+export PIKA_PACKAGE_NAME="emacs-cmake-mode"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"