diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index e3fe8b38a..31ab8f8f5 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1:5.1+git20240417+dfsg-2"
-export PIKA_PACKAGE_NAME="xxdiff"
+export PIKA_PACKAGE_VERSION="0.26.1-2"
+export PIKA_PACKAGE_NAME="mkdocstrings"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"