diff --git a/sml/include/sml/sml_boolean.h b/sml/include/sml/sml_boolean.h
index ff24bf5..ccb5e55 100644
--- a/sml/include/sml/sml_boolean.h
+++ b/sml/include/sml/sml_boolean.h
@@ -33,6 +33,7 @@ typedef u8 sml_boolean;
 sml_boolean *sml_boolean_init(u8 b);
 sml_boolean *sml_boolean_parse(sml_buffer *buf);
 void sml_boolean_write(sml_boolean *boolean, sml_buffer *buf);
+void sml_boolean_free(sml_boolean *b);
 
 #ifdef __cplusplus
 }
diff --git a/sml/src/sml_boolean.c b/sml/src/sml_boolean.c
index 74fd588..1b2b988 100644
--- a/sml/src/sml_boolean.c
+++ b/sml/src/sml_boolean.c
@@ -64,5 +64,11 @@ void sml_boolean_write(sml_boolean *boolean, sml_buffer *buf) {
     buf->cursor++;
 }
 
+void sml_boolean_free(sml_boolean *b) {
+	if (b) {
+		free(b);
+	}
+}
+