diff --git a/ChangeLog.md b/ChangeLog.md
index c5cc799..1c35e6d 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,10 @@
 ## ChangeLog:
 
+### Version 2.1.9
+ * added bulkheadProfiles
+ * updated Chinese translation (github.com/zhangyuesai)
+ * updated MM 4.2.3
+
 ### Version 2.1.8
  * VABOrganizer patches (github.com/Adventurer13)
 
diff --git a/CommNetAntennasExtension.version b/CommNetAntennasExtension.version
index 45bdf7c..4036e4e 100644
--- a/CommNetAntennasExtension.version
+++ b/CommNetAntennasExtension.version
@@ -10,7 +10,7 @@
   "VERSION": {
     "MAJOR": 2,
     "MINOR": 1,
-    "PATCH": 8,
+    "PATCH": 9,
     "BUILD": 0
   },
   "KSP_VERSION": {
diff --git a/GameData/CommNetAntennasExtension/ChangeLog.md b/GameData/CommNetAntennasExtension/ChangeLog.md
index c5cc799..1c35e6d 100644
--- a/GameData/CommNetAntennasExtension/ChangeLog.md
+++ b/GameData/CommNetAntennasExtension/ChangeLog.md
@@ -1,5 +1,10 @@
 ## ChangeLog:
 
+### Version 2.1.9
+ * added bulkheadProfiles
+ * updated Chinese translation (github.com/zhangyuesai)
+ * updated MM 4.2.3
+
 ### Version 2.1.8
  * VABOrganizer patches (github.com/Adventurer13)
 
diff --git a/GameData/CommNetAntennasExtension/CommNetAntennasExtension.version b/GameData/CommNetAntennasExtension/CommNetAntennasExtension.version
index 45bdf7c..4036e4e 100644
--- a/GameData/CommNetAntennasExtension/CommNetAntennasExtension.version
+++ b/GameData/CommNetAntennasExtension/CommNetAntennasExtension.version
@@ -10,7 +10,7 @@
   "VERSION": {
     "MAJOR": 2,
     "MINOR": 1,
-    "PATCH": 8,
+    "PATCH": 9,
     "BUILD": 0
   },
   "KSP_VERSION": {
diff --git a/GameData/ModuleManager.4.2.1.dll b/GameData/ModuleManager.4.2.1.dll
deleted file mode 100644
index 08ed996..0000000
Binary files a/GameData/ModuleManager.4.2.1.dll and /dev/null differ
diff --git a/GameData/ModuleManager.4.2.3.dll b/GameData/ModuleManager.4.2.3.dll
new file mode 100644
index 0000000..ce1c213
Binary files /dev/null and b/GameData/ModuleManager.4.2.3.dll differ