diff --git a/CMakeLists.txt b/CMakeLists.txt
index d93921d..fba0fdb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -155,6 +155,7 @@
     src/path.c
     src/diff.c
     src/context.c
+    src/json.c
     src/tree_data.c
     src/tree_data_free.c
     src/tree_data_helpers.c