diff --git a/interface/wx/lzmastream.h b/interface/wx/lzmastream.h
index 58c5ad5288..2a6dd5626e 100644
--- a/interface/wx/lzmastream.h
+++ b/interface/wx/lzmastream.h
@@ -96,3 +96,15 @@ class wxLZMAOutputStream : public wxFilterOutputStream
      */
     wxLZMAOutputStream(wxOutputStream* stream);
 };
+
+/**
+    Return the version of liblzma library used by LZMA stream classes.
+
+    @see wxVersionInfo
+
+    @header{wx/lzmastream.h}
+    @library{wxbase}
+
+    @since 3.1.2
+*/
+wxVersionInfo wxGetLibLZMAVersionInfo();