diff --git a/rendercv/data_model.py b/rendercv/data_model.py
index d02ead5..787fef0 100644
--- a/rendercv/data_model.py
+++ b/rendercv/data_model.py
@@ -61,6 +61,11 @@ dictionary = [
     "css",
     "html",
     "markdown",
+    "ubuntu",
+    "matlab",
+    "lua",
+    "premake",
+    "javascript",
 ]