diff --git a/dev-libs/tree-sitter-cpp/tree-sitter-cpp-0.20.0.ebuild b/dev-libs/tree-sitter-cpp/tree-sitter-cpp-0.20.0.ebuild
index dd30458513773..654df3497df32 100644
--- a/dev-libs/tree-sitter-cpp/tree-sitter-cpp-0.20.0.ebuild
+++ b/dev-libs/tree-sitter-cpp/tree-sitter-cpp-0.20.0.ebuild
@@ -11,3 +11,6 @@ HOMEPAGE="https://github.com/tree-sitter/tree-sitter-cpp"
 LICENSE="MIT"
 SLOT="0"
 KEYWORDS="amd64"
+
+# requires test data from tree-sitter-c
+RESTRICT="test"