diff --git a/.gitignore b/.gitignore
index b1a847ea6..17035bcd2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,4 @@ CMakeSettings.json
 test.db
 build-wsl
 .idea
+build-debug
diff --git a/CesiumGltf/generated/include/CesiumGltf/AccessorSpec.h b/CesiumGltf/generated/include/CesiumGltf/AccessorSpec.h
index 4bad735b4..a5cf56bca 100644
--- a/CesiumGltf/generated/include/CesiumGltf/AccessorSpec.h
+++ b/CesiumGltf/generated/include/CesiumGltf/AccessorSpec.h
@@ -30,9 +30,17 @@ struct CESIUMGLTF_API AccessorSpec : public CesiumGltf::NamedObject {
 
     static constexpr int32_t UNSIGNED_SHORT = 5123;
 
+    static constexpr int32_t INT = 5124;
+
     static constexpr int32_t UNSIGNED_INT = 5125;
 
+    static constexpr int32_t INT64 = 5134;
+
+    static constexpr int32_t UNSIGNED_INT64 = 5135;
+
     static constexpr int32_t FLOAT = 5126;
+
+    static constexpr int32_t DOUBLE = 5130;
   };
 
   /**
diff --git a/CesiumGltf/include/CesiumGltf/AccessorView.h b/CesiumGltf/include/CesiumGltf/AccessorView.h
index 3d73bf2e7..49e723d71 100644
--- a/CesiumGltf/include/CesiumGltf/AccessorView.h
+++ b/CesiumGltf/include/CesiumGltf/AccessorView.h
@@ -449,16 +449,36 @@ createAccessorView(
         model,
         accessor,
         std::forward<TCallback>(callback));
+  case Accessor::ComponentType::INT:
+    return ::CesiumGltf::CesiumImpl::createAccessorView<TCallback, int32_t>(
+        model,
+        accessor,
+        std::forward<TCallback>(callback));
   case Accessor::ComponentType::UNSIGNED_INT:
     return ::CesiumGltf::CesiumImpl::createAccessorView<TCallback, uint32_t>(
         model,
         accessor,
         std::forward<TCallback>(callback));
+  case Accessor::ComponentType::INT64:
+    return ::CesiumGltf::CesiumImpl::createAccessorView<TCallback, int64_t>(
+        model,
+        accessor,
+        std::forward<TCallback>(callback));
+  case Accessor::ComponentType::UNSIGNED_INT64:
+    return ::CesiumGltf::CesiumImpl::createAccessorView<TCallback, uint64_t>(
+        model,
+        accessor,
+        std::forward<TCallback>(callback));
   case Accessor::ComponentType::FLOAT:
     return ::CesiumGltf::CesiumImpl::createAccessorView<TCallback, float>(
         model,
         accessor,
         std::forward<TCallback>(callback));
+  case Accessor::ComponentType::DOUBLE:
+    return ::CesiumGltf::CesiumImpl::createAccessorView<TCallback, double>(
+        model,
+        accessor,
+        std::forward<TCallback>(callback));
   default:
     return callback(AccessorView<AccessorTypes::SCALAR<float>>(
         AccessorViewStatus::InvalidComponentType));
diff --git a/CesiumGltf/src/Accessor.cpp b/CesiumGltf/src/Accessor.cpp
index 8c87d616a..075df596c 100644
--- a/CesiumGltf/src/Accessor.cpp
+++ b/CesiumGltf/src/Accessor.cpp
@@ -39,9 +39,14 @@ Accessor::computeByteSizeOfComponent(int32_t componentType) noexcept {
   case CesiumGltf::Accessor::ComponentType::SHORT:
   case CesiumGltf::Accessor::ComponentType::UNSIGNED_SHORT:
     return 2;
+  case CesiumGltf::Accessor::ComponentType::INT:
   case CesiumGltf::Accessor::ComponentType::UNSIGNED_INT:
   case CesiumGltf::Accessor::ComponentType::FLOAT:
     return 4;
+  case CesiumGltf::Accessor::ComponentType::INT64:
+  case CesiumGltf::Accessor::ComponentType::UNSIGNED_INT64:
+  case CesiumGltf::Accessor::ComponentType::DOUBLE:
+    return 8;
   default:
     // TODO Print a warning here!
     return 0;