diff --git a/HISTORY.md b/HISTORY.md
index 2be09f4ba14..16c76bbcf0e 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,9 @@
 # Keyman Version History
 
+## 18.0.63 alpha 2024-06-26
+
+* feat(linux): implement Linux side of SimulateAltGr option :checkered_flag: (#11852)
+
 ## 18.0.62 alpha 2024-06-25
 
 * chore(common): update C/C++ formatting options (#11836)
diff --git a/VERSION.md b/VERSION.md
index 4fa65d3237d..087a61fa60a 100644
--- a/VERSION.md
+++ b/VERSION.md
@@ -1 +1 @@
-18.0.63
\ No newline at end of file
+18.0.64
\ No newline at end of file