diff --git a/cfg/wxwidgets.cfg b/cfg/wxwidgets.cfg
index c080d929f..6f66f45ce 100644
--- a/cfg/wxwidgets.cfg
+++ b/cfg/wxwidgets.cfg
@@ -13786,4 +13786,25 @@
     </arg>
     <arg nr="3" direction="inout"/>
   </function>
+  <!-- wxString& wxString::insert(size_t nPos, const wxString & str) -->
+  <!-- wxString& wxString::insert(size_t nPos, const wxString & str, size_t nStart, size_t n)-->
+  <!-- wxString& wxString::insert(size_t nPos, const char * sz, size_t n ) -->
+  <!-- wxString& wxString::insert(size_t nPos, const wchar_t * sz, size_t n) -->
+  <!-- wxString& wxString::insert(size_t nPos, size_t n, wxUniChar ch) -->
+  <!-- iterator  wxString::insert(iterator it, wxUniChar ch) -->
+  <!-- void      wxString::insert(iterator it, const_iterator first, const_iterator last) -->
+  <!-- void      wxString::insert(iterator it, size_type n, wxUniChar ch)-->
+  <!-- Return value type is "iterator", "wxString&" or "void" depending on the overloaded function. -->
+  <function name="wxString::insert">
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+    <arg nr="2" direction="in" default="0"/>
+    <arg nr="3" direction="in" default="0"/>
+    <arg nr="4" direction="in">
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
 </def>