diff --git a/source/audio.cpp b/source/audio.cpp
index 3f3d2f0..412f59e 100644
--- a/source/audio.cpp
+++ b/source/audio.cpp
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric September 2008
+ * Tantric 2008-2021
  *
  * audio.cpp
  *
diff --git a/source/audio.h b/source/audio.h
index 4d4e6a7..faa2217 100644
--- a/source/audio.h
+++ b/source/audio.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric September 2008
+ * Tantric 2008-2021
  *
  * audio.h
  *
diff --git a/source/button_mapping.c b/source/button_mapping.c
index 87a51aa..1aaad21 100644
--- a/source/button_mapping.c
+++ b/source/button_mapping.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric September 2008
+ * Tantric 2008-2021
  *
  * button_mapping.c
  *
diff --git a/source/button_mapping.h b/source/button_mapping.h
index c8e2da5..1ddfc82 100644
--- a/source/button_mapping.h
+++ b/source/button_mapping.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric September 2008
+ * Tantric 2008-2021
  *
  * button_mapping.h
  *
diff --git a/source/filebrowser.cpp b/source/filebrowser.cpp
index 605f2dd..d6532e9 100644
--- a/source/filebrowser.cpp
+++ b/source/filebrowser.cpp
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric September 2008
+ * Tantric 2008-2021
  *
  * filebrowser.cpp
  *
diff --git a/source/filebrowser.h b/source/filebrowser.h
index ab10b9d..eac04f6 100644
--- a/source/filebrowser.h
+++ b/source/filebrowser.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric September 2008
+ * Tantric 2008-2021
  *
  * filebrowser.h
  *
diff --git a/source/filelist.h b/source/filelist.h
index d7e8354..2faa4c4 100644
--- a/source/filelist.h
+++ b/source/filelist.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric March 2009
+ * Tantric 2009-2021
  *
  * filelist.h
  *
diff --git a/source/fileop.cpp b/source/fileop.cpp
index 43c51bd..8205f08 100644
--- a/source/fileop.cpp
+++ b/source/fileop.cpp
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric 2008-2009
+ * Tantric 2008-2021
  *
  * fileop.cpp
  *
diff --git a/source/fileop.h b/source/fileop.h
index a745358..5c055df 100644
--- a/source/fileop.h
+++ b/source/fileop.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric September 2008
+ * Tantric 2008-2021
  *
  * fileop.h
  *
diff --git a/source/gamesettings.cpp b/source/gamesettings.cpp
index c0fc464..04791f3 100644
--- a/source/gamesettings.cpp
+++ b/source/gamesettings.cpp
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric October 2008
+ * Tantric 2008-2021
  * Carl Kenner April 2009
  *
  * gamesettings.cpp
diff --git a/source/gamesettings.h b/source/gamesettings.h
index 7caed74..9663bbf 100644
--- a/source/gamesettings.h
+++ b/source/gamesettings.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric October 2008
+ * Tantric 2008-2021
  *
  * gamesettings.h
  *
diff --git a/source/gcunzip.cpp b/source/gcunzip.cpp
index 24ec5a7..e07112b 100644
--- a/source/gcunzip.cpp
+++ b/source/gcunzip.cpp
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric September 2008
+ * Tantric 2008-2021
  *
  * gcunzip.cpp
  *
diff --git a/source/gcunzip.h b/source/gcunzip.h
index 1986ebf..27d0bc0 100644
--- a/source/gcunzip.h
+++ b/source/gcunzip.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric September 2008
+ * Tantric 2008-2021
  *
  * gcunzip.h
  *
diff --git a/source/input.cpp b/source/input.cpp
index f168717..fc2a935 100644
--- a/source/input.cpp
+++ b/source/input.cpp
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric 2008-2009
+ * Tantric 2008-2021
  *
  * input.cpp
  *
diff --git a/source/input.h b/source/input.h
index 902bf26..a2f0c3c 100644
--- a/source/input.h
+++ b/source/input.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric 2008-2009
+ * Tantric 2008-2021
  *
  * input.h
  *
diff --git a/source/mem2.cpp b/source/mem2.cpp
index 4713abc..d88193f 100644
--- a/source/mem2.cpp
+++ b/source/mem2.cpp
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric 2010
+ * Tantric 2010-2021
  *
  * mem2.cpp
  *
diff --git a/source/mem2.h b/source/mem2.h
index 7dccae8..decf84c 100644
--- a/source/mem2.h
+++ b/source/mem2.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric 2010
+ * Tantric 2010-2021
  *
  * mem2.h
  *
diff --git a/source/menu.cpp b/source/menu.cpp
index 1e0da75..954991a 100644
--- a/source/menu.cpp
+++ b/source/menu.cpp
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric 2008-2009
+ * Tantric 2008-2021
  *
  * menu.cpp
  *
diff --git a/source/menu.h b/source/menu.h
index 0a8dc58..16eb833 100644
--- a/source/menu.h
+++ b/source/menu.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric September 2008
+ * Tantric 2008-2021
  *
  * menu.h
  *
diff --git a/source/networkop.cpp b/source/networkop.cpp
index f2f2cfd..54e6e60 100644
--- a/source/networkop.cpp
+++ b/source/networkop.cpp
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric December 2008
+ * Tantric 2008-2021
  *
  * networkop.cpp
  *
diff --git a/source/networkop.h b/source/networkop.h
index 2ee5114..a009109 100644
--- a/source/networkop.h
+++ b/source/networkop.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric December 2008
+ * Tantric 2008-2021
  *
  * networkop.h
  *
diff --git a/source/preferences.cpp b/source/preferences.cpp
index aabb618..3dd0821 100644
--- a/source/preferences.cpp
+++ b/source/preferences.cpp
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric September 2008
+ * Tantric 2008-2021
  *
  * preferences.cpp
  *
diff --git a/source/preferences.h b/source/preferences.h
index 7717ed0..6fa016c 100644
--- a/source/preferences.h
+++ b/source/preferences.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric September 2008
+ * Tantric 2008-2021
  *
  * preferences.h
  *
diff --git a/source/vbagx.cpp b/source/vbagx.cpp
index 984e370..188cf7d 100644
--- a/source/vbagx.cpp
+++ b/source/vbagx.cpp
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric September 2008
+ * Tantric 2008-2021
  *
  * vbagx.cpp
  *
diff --git a/source/vbagx.h b/source/vbagx.h
index 3413759..7b92d4d 100644
--- a/source/vbagx.h
+++ b/source/vbagx.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric September 2008
+ * Tantric 2008-2021
  *
  * vbagx.h
  *
diff --git a/source/vbasupport.cpp b/source/vbasupport.cpp
index 69af84a..bd85f26 100644
--- a/source/vbasupport.cpp
+++ b/source/vbasupport.cpp
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric September 2008
+ * Tantric 2008-2021
  *
  * vbasupport.cpp
  *
diff --git a/source/vbasupport.h b/source/vbasupport.h
index 54b8a89..ffbb29b 100644
--- a/source/vbasupport.h
+++ b/source/vbasupport.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric September 2008
+ * Tantric 2008-2021
  *
  * vbasupport.h
  *
diff --git a/source/video.cpp b/source/video.cpp
index 535763c..e15c2dc 100644
--- a/source/video.cpp
+++ b/source/video.cpp
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric September 2008
+ * Tantric 2008-2021
  * softdev 2007
  *
  * video.cpp
diff --git a/source/video.h b/source/video.h
index 4fc14e5..f015be4 100644
--- a/source/video.h
+++ b/source/video.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Visual Boy Advance GX
  *
- * Tantric September 2008
+ * Tantric 2008-2021
  * softdev 2007
  *
  * video.h