diff --git a/CHANGELOG.md b/CHANGELOG.md
index d21318883..7b2b316f0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -107,7 +107,7 @@ Warning: Attribute(s) enum in element Position not a core or known extended attr
 The signals in `Vehicle.Cabin.Seat` have been significantly refactored.
 The background is that the old representation included limitations and ambiguities.
 
-## VSS 3.1 (Latest Release)
+## VSS 3.1
 
 ### Struct Support (Experimental)
 
@@ -151,6 +151,11 @@ Warning: Attribute(s) sensor in element Temperature not a core or known extended
   After discussion it was agreed that it is better to have a signal for start time rather than duration.
 * Refactoring of signals in `Vehicle.Body.Lights` branch performed, some signals have new names.
 
+## VSS 3.1.1
+
+Patch to add description to "Vehicle.Body.Lights.Brake", required according to VSS syntax.
+Apart from that identical to VSS 3.1.
+
 ## Planned Changes VSS 4.0
 
 ### Struct Support (Official)
diff --git a/VERSION b/VERSION
index 8c50098d8..94ff29cc4 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.1
+3.1.1
diff --git a/spec/Vehicle/Vehicle.vspec b/spec/Vehicle/Vehicle.vspec
index 3012a5457..8edb1d525 100644
--- a/spec/Vehicle/Vehicle.vspec
+++ b/spec/Vehicle/Vehicle.vspec
@@ -35,7 +35,7 @@ VersionVSS.Minor:
 VersionVSS.Patch:
   datatype: uint32
   type: attribute
-  default: 0
+  default: 1
   description: Supported Version of VSS - Patch version.
 
 VersionVSS.Label: