diff --git a/.Rbuildignore b/.Rbuildignore
index 1332eed..bfdc737 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -26,4 +26,7 @@ libosqp.a
 .github
 src/osqp_sources/CITATION.cff
 src/osqp_sources/docs
+src/osqp_sources/site
 src/osqp_sources/tests
+src/osqp_sources/lin_sys/direct/qdldl/qdldl_sources/tests
+