diff --git a/CHANGES.md b/CHANGES.md
index d03c657..9ff701f 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -3,6 +3,12 @@
 This document describes the relevant changes between releases of the
 API metamodel.
 
+## 0.0.49 Jan 6 2022
+
+This release doesn't include any change in functionality, it only adds to the
+repository the files generated by ANTLR so that it is possible to install the
+tool with `go install`.
+
 ## 0.0.48 Jan 6 2022
 
 This release doesn't include any change in functionality, it only fixes the
diff --git a/pkg/info/info.go b/pkg/info/info.go
index 49410e8..32ac51a 100644
--- a/pkg/info/info.go
+++ b/pkg/info/info.go
@@ -18,4 +18,4 @@ limitations under the License.
 
 package info
 
-const Version = "0.0.48"
+const Version = "0.0.49"