diff --git a/src/sfizz/Range.h b/src/sfizz/Range.h
index b52224a7..c19c960a 100644
--- a/src/sfizz/Range.h
+++ b/src/sfizz/Range.h
@@ -125,6 +125,17 @@ public:
             _end = end;
     }
 
+    void expandTo(Type value)
+    {
+        if (containsWithEnd(value))
+            return;
+
+        if (value > _end)
+            _end = value;
+        else
+            _start = value;
+    }
+
 private:
     Type _start { static_cast<Type>(0.0) };
     Type _end { static_cast<Type>(0.0) };
diff --git a/tests/RangeT.cpp b/tests/RangeT.cpp
index a55c7715..a7cbe16e 100644
--- a/tests/RangeT.cpp
+++ b/tests/RangeT.cpp
@@ -111,4 +111,23 @@ TEST_CASE("[Range] shrinkIfSmaller")
     REQUIRE(intRange == sfz::Range<int>(4, 7));
     intRange.shrinkIfSmaller(6, 5);
     REQUIRE(intRange == sfz::Range<int>(5, 6));
-}
\ No newline at end of file
+}
+
+TEST_CASE("[Range] expandTo")
+{
+    sfz::Range<int> intRange { 2, 10 };
+    intRange.expandTo(5);
+    REQUIRE(intRange == sfz::Range<int>(2, 10));
+    intRange.expandTo(10);
+    REQUIRE(intRange == sfz::Range<int>(2, 10));
+    intRange.expandTo(2);
+    REQUIRE(intRange == sfz::Range<int>(2, 10));
+    intRange.expandTo(1);
+    REQUIRE(intRange == sfz::Range<int>(1, 10));
+    intRange.expandTo(-10);
+    REQUIRE(intRange == sfz::Range<int>(-10, 10));
+    intRange.expandTo(12);
+    REQUIRE(intRange == sfz::Range<int>(-10, 12));
+    intRange.expandTo(6);
+    REQUIRE(intRange == sfz::Range<int>(-10, 12));
+}