diff --git a/rebar.config b/rebar.config
index deb5fc7..45af990 100644
--- a/rebar.config
+++ b/rebar.config
@@ -41,7 +41,14 @@
     ]}
 ]}.
 
-{hank, [{ignore, [{"test/**/*_SUITE.erl", [unnecessary_function_arguments]}, "include/**/*.hrl"]}]}.
+{hank, [
+    {ignore, [
+        {"test/**/*_SUITE.erl", [unnecessary_function_arguments]},
+        "include/**/*.hrl",
+        "certification/**/*",
+        "deps/**/*"
+    ]}
+]}.
 
 {erlfmt, [write]}.