diff --git a/ext/openssl/ossl_x509attr.c b/ext/openssl/ossl_x509attr.c
index fdf0481c06..c9036cad90 100644
--- a/ext/openssl/ossl_x509attr.c
+++ b/ext/openssl/ossl_x509attr.c
@@ -14,10 +14,10 @@
     if (!(attr)) { \
 	ossl_raise(rb_eRuntimeError, "ATTR wasn't initialized!"); \
     } \
-    (obj) = Data_Wrap_Struct((klass), 0, X509_ATTRIBUTE_free, (attr)); \
+    (obj) = TypedData_Wrap_Struct((klass), &ossl_x509attr_type, (attr)); \
 } while (0)
 #define GetX509Attr(obj, attr) do { \
-    Data_Get_Struct((obj), X509_ATTRIBUTE, (attr)); \
+    TypedData_Get_Struct((obj), X509_ATTRIBUTE, &ossl_x509attr_type, (attr)); \
     if (!(attr)) { \
 	ossl_raise(rb_eRuntimeError, "ATTR wasn't initialized!"); \
     } \
@@ -33,6 +33,20 @@
 VALUE cX509Attr;
 VALUE eX509AttrError;
 
+static void
+ossl_x509attr_free(void *ptr)
+{
+    X509_ATTRIBUTE_free(ptr);
+}
+
+static const rb_data_type_t ossl_x509attr_type = {
+    "OpenSSL/X509/ATTRIBUTE",
+    {
+	0, ossl_x509attr_free,
+    },
+    0, 0, RUBY_TYPED_FREE_IMMEDIATELY,
+};
+
 /*
  * Public
  */