diff --git a/clang-tools-extra/clangd/unittests/HoverTests.cpp b/clang-tools-extra/clangd/unittests/HoverTests.cpp
--- a/clang-tools-extra/clangd/unittests/HoverTests.cpp
+++ b/clang-tools-extra/clangd/unittests/HoverTests.cpp
@@ -198,7 +198,7 @@
                     typename = char,
                     int = 0,
                     bool Q = false,
-                    class... Ts> class Foo {};
+                    class... Ts> class Foo final {};
           template <template<typename, bool...> class T>
           [[F^oo]]<T> foo;
           )cpp",
@@ -209,7 +209,7 @@
          HI.Definition =
              R"cpp(template <template <typename, bool...> class C, typename = char, int = 0,
           bool Q = false, class... Ts>
-class Foo {})cpp";
+class Foo final {})cpp";
          HI.TemplateParameters = {
              {{"template <typename, bool...> class"},
               std::string("C"),
diff --git a/clang/lib/AST/DeclPrinter.cpp b/clang/lib/AST/DeclPrinter.cpp
--- a/clang/lib/AST/DeclPrinter.cpp
+++ b/clang/lib/AST/DeclPrinter.cpp
@@ -1007,6 +1007,10 @@
     }
   }
 
+  if (D->isEffectivelyFinal()) {
+      Out << " final";
+  }
+
   if (D->isCompleteDefinition()) {
     // Print the base classes
     if (D->getNumBases()) {