diff --git a/include/cpptoml.h b/include/cpptoml.h
index 5a00da3..d44c813 100644
--- a/include/cpptoml.h
+++ b/include/cpptoml.h
@@ -279,8 +279,8 @@ class value;
 
 template <class T>
 struct valid_value
-    : is_one_of<T, std::string, int64_t, double, bool, local_date, local_time,
-                local_datetime, offset_datetime>
+    : is_one_of<T, std::string, int64_t, int32_t, double, float, bool,
+                local_date, local_time, local_datetime, offset_datetime>
 {
 };
 
@@ -455,12 +455,24 @@ struct base_type_traits<offset_datetime>
     static const base_type type = base_type::OFFSET_DATETIME;
 };
 
+template <>
+struct base_type_traits<int32_t>
+{
+    static const base_type type = base_type::INT;
+};
+
 template <>
 struct base_type_traits<int64_t>
 {
     static const base_type type = base_type::INT;
 };
 
+template <>
+struct base_type_traits<float>
+{
+    static const base_type type = base_type::FLOAT;
+};
+
 template <>
 struct base_type_traits<double>
 {
@@ -714,6 +726,24 @@ inline std::shared_ptr<value<double>> base::as()
     return nullptr;
 }
 
+// specialization for <float>
+template <>
+inline std::shared_ptr<value<float>> base::as()
+{
+	auto v1 = as<double>();
+	auto v2 = make_value<float>(static_cast<float>(v1->get()));
+	return v2;
+}
+
+// specialization for <int32_t>
+template <>
+inline std::shared_ptr<value<int32_t>> base::as()
+{
+	auto v1 = as<int64_t>();
+	auto v2 = make_value<int32_t>(static_cast<int32_t>(v1->get()));
+	return v2;
+}
+
 template <class T>
 inline std::shared_ptr<const value<T>> base::as() const
 {
@@ -760,6 +790,23 @@ inline std::shared_ptr<const value<double>> base::as() const
     return nullptr;
 }
 
+template <>
+inline std::shared_ptr<const value<float>> base::as() const
+{
+	auto v1 = as<double>();
+	auto v2 = make_value<const float>(static_cast<float>(v1->get()));
+	return v2;
+}
+
+// specialization for <int32_t>
+template <>
+inline std::shared_ptr<const value<int32_t>> base::as() const
+{
+	auto v1 = as<int64_t>();
+	auto v2 = make_value<const int32_t>(static_cast<int32_t>(v1->get()));
+	return v2;
+}
+
 /**
  * Exception class for array insertion errors.
  */
@@ -3665,4 +3712,4 @@ inline std::ostream& operator<<(std::ostream& stream, const array& a)
     return stream;
 }
 } // namespace cpptoml
-#endif // CPPTOML_H
+#endif // CPPTOML_H
\ No newline at end of file