diff --git a/NEWS.md b/NEWS.md
index ce9b7430..3fcb0ee8 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,6 +1,6 @@
 # NEWS for Lrama
 
-## Lrama 0.6.4 (2024-03-xx)
+## Lrama 0.6.4 (2024-03-22)
 
 ### Parameterizing rules (preceded, terminated, delimited)
 
diff --git a/lib/lrama/version.rb b/lib/lrama/version.rb
index 15ab009b..0070c177 100644
--- a/lib/lrama/version.rb
+++ b/lib/lrama/version.rb
@@ -1,3 +1,3 @@
 module Lrama
-  VERSION = "0.6.3".freeze
+  VERSION = "0.6.4".freeze
 end