diff --git a/6502/C64/src/vf-head-c16.fth b/6502/C64/src/vf-head-c16.fth
index 9d8788a..b64ab1e 100644
--- a/6502/C64/src/vf-head-c16.fth
+++ b/6502/C64/src/vf-head-c16.fth
@@ -28,5 +28,5 @@ here dup origin!
 $100 allot
 
 Create logo
- (C16+ ," volksFORTH-83 3.9.2-C16+ " )
- (C16- ," volksFORTH-83 3.9.2-C16- " )
+ (C16+ ," volksFORTH-83 3.9.3dev-C16+ " )
+ (C16- ," volksFORTH-83 3.9.3dev-C16- " )
diff --git a/6502/C64/src/vf-head-c64.fth b/6502/C64/src/vf-head-c64.fth
index 140eb3e..9f2218e 100644
--- a/6502/C64/src/vf-head-c64.fth
+++ b/6502/C64/src/vf-head-c64.fth
@@ -28,4 +28,4 @@ here dup origin!
 $100 allot
 
 Create logo
-  ," volksFORTH-83 3.9.2-C64  "
+  ," volksFORTH-83 3.9.3dev-C64  "
diff --git a/6502/C64/src/vf-head-x16.fth b/6502/C64/src/vf-head-x16.fth
index 6da58ee..c8179f7 100644
--- a/6502/C64/src/vf-head-x16.fth
+++ b/6502/C64/src/vf-head-x16.fth
@@ -27,4 +27,4 @@ here dup origin!
 $100 allot
 
 Create logo
-  ," volksFORTH-83 3.9.2-X16  "
+  ," volksFORTH-83 3.9.3dev-X16  "