diff --git a/include/verilated.h b/include/verilated.h
index 3a4fab003..ebb1990e8 100644
--- a/include/verilated.h
+++ b/include/verilated.h
@@ -273,11 +273,11 @@ public:
     /// Used to get to e.g. simulation time via contextp()->time()
     inline VerilatedContext* contextp() const { return &m_context; }
     /// Returns the hierarchical name of this module instance.
-    virtual const char* hierName() = 0;
+    virtual const char* hierName() const = 0;
     /// Returns the name of this model (the name of the generated model class).
-    virtual const char* modelName() = 0;
+    virtual const char* modelName() const = 0;
     /// Returns the thread level parallelism, this model was Verilated with. Always 1 or higher.
-    virtual unsigned threads() = 0;
+    virtual unsigned threads() const = 0;
 };
 
 //=========================================================================
diff --git a/src/V3EmitCModel.cpp b/src/V3EmitCModel.cpp
index 9522b214f..04b422a97 100644
--- a/src/V3EmitCModel.cpp
+++ b/src/V3EmitCModel.cpp
@@ -220,9 +220,9 @@ class EmitCModel final : public EmitCFunc {
         }
 
         puts("\n// Abstract methods from VerilatedModel\n");
-        puts("const char* hierName() override;\n");
-        puts("const char* modelName() override;\n");
-        puts("unsigned threads() override;\n");
+        puts("const char* hierName() const override final;\n");
+        puts("const char* modelName() const override final;\n");
+        puts("unsigned threads() const override final;\n");
 
         puts("} VL_ATTR_ALIGNED(VL_CACHE_LINE_BYTES);\n");
 
@@ -482,10 +482,10 @@ class EmitCModel final : public EmitCFunc {
         puts("}\n");
 
         putSectionDelimiter("Implementations of abstract methods from VerilatedModel\n");
-        puts("const char* " + topClassName() + "::hierName() { return vlSymsp->name(); }\n");
-        puts("const char* " + topClassName() + "::modelName() { return \"" + topClassName()
+        puts("const char* " + topClassName() + "::hierName() const { return vlSymsp->name(); }\n");
+        puts("const char* " + topClassName() + "::modelName() const { return \"" + topClassName()
              + "\"; }\n");
-        puts("unsigned " + topClassName() + "::threads() { return "
+        puts("unsigned " + topClassName() + "::threads() const { return "
              + cvtToStr(std::max(1, v3Global.opt.threads())) + "; }\n");
     }