regenerate projects
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index b0d7c41..658fde1 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -5290,7 +5290,8 @@
   {
     "deps": [
       "gpr", 
-      "grpc_base"
+      "grpc_base", 
+      "nanopb"
     ], 
     "headers": [
       "include/grpc/census.h",