diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 4aa058ab4..c6cdeb71c 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.4.40+ds-1"
-export PIKA_PACKAGE_NAME="mdbook"
+export PIKA_PACKAGE_VERSION="3.24.11-3"
+export PIKA_PACKAGE_NAME="gtksourceview3"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b3"