diff --git a/EgwProxy.Icoel/docfx.json b/EgwProxy.Icoel/docfx.json
index bacb80c9..435e3499 100644
--- a/EgwProxy.Icoel/docfx.json
+++ b/EgwProxy.Icoel/docfx.json
@@ -4,7 +4,8 @@
       "src": [
         {
           "files": [
-            "*.csproj"
+            "*.csproj",
+            "*.vbproj"
           ],
           "cwd": ".",
           "exclude": [
diff --git a/EgwProxy.MultiCncLib/docfx.json b/EgwProxy.MultiCncLib/docfx.json
index bacb80c9..435e3499 100644
--- a/EgwProxy.MultiCncLib/docfx.json
+++ b/EgwProxy.MultiCncLib/docfx.json
@@ -4,7 +4,8 @@
       "src": [
         {
           "files": [
-            "*.csproj"
+            "*.csproj",
+            "*.vbproj"
           ],
           "cwd": ".",
           "exclude": [
diff --git a/EgwProxy.OsaiCncLib/docfx.json b/EgwProxy.OsaiCncLib/docfx.json
index bacb80c9..435e3499 100644
--- a/EgwProxy.OsaiCncLib/docfx.json
+++ b/EgwProxy.OsaiCncLib/docfx.json
@@ -4,7 +4,8 @@
       "src": [
         {
           "files": [
-            "*.csproj"
+            "*.csproj",
+            "*.vbproj"
           ],
           "cwd": ".",
           "exclude": [