diff --git a/tool/main.cpp b/tool/main.cpp
index 7f52588..8e9ae36 100644
--- a/tool/main.cpp
+++ b/tool/main.cpp
@@ -220,7 +220,7 @@ int main(int argc, char* argv[]) try
     else if (options.count("version"))
     {
         std::cout << "cppast version " << CPPAST_VERSION_STRING << "\n";
-        std::cout << "Copyright (C) Jonathan Müller 2017 <jonathanmueller.dev@gmail.com>\n";
+        std::cout << "Copyright (C) Jonathan Müller 2017-2018 <jonathanmueller.dev@gmail.com>\n";
         std::cout << '\n';
         std::cout << "Using libclang version " << CPPAST_CLANG_VERSION_STRING << '\n';
     }