diff --git a/ChangeLog b/ChangeLog
new file mode 100644
index 0000000..48326af
--- /dev/null
+++ b/ChangeLog
@@ -0,0 +1,3 @@
+StatZone 1.0.0 (2020-03-22)
+
+- Initial release
diff --git a/src/config.h b/src/config.h
index 6b247a7..ac1248b 100644
--- a/src/config.h
+++ b/src/config.h
@@ -1,5 +1,5 @@
 /*
- * StatZone
+ * StatZone 1.0.0
  * Copyright (c) 2012-2020, Frederic Cambus
  * https://www.statdns.com
  *
diff --git a/src/seccomp.h b/src/seccomp.h
index 4ba4f86..ce7b8a3 100644
--- a/src/seccomp.h
+++ b/src/seccomp.h
@@ -1,5 +1,5 @@
 /*
- * StatZone
+ * StatZone 1.0.0
  * Copyright (c) 2012-2020, Frederic Cambus
  * https://www.statdns.com
  *
diff --git a/src/statzone.c b/src/statzone.c
index 3b6be1a..3dc7424 100644
--- a/src/statzone.c
+++ b/src/statzone.c
@@ -1,5 +1,5 @@
 /*
- * StatZone
+ * StatZone 1.0.0
  * Copyright (c) 2012-2020, Frederic Cambus
  * https://www.statdns.com
  *
diff --git a/src/strtolower.c b/src/strtolower.c
index 60d626c..b804387 100644
--- a/src/strtolower.c
+++ b/src/strtolower.c
@@ -1,5 +1,5 @@
 /*
- * StatZone
+ * StatZone 1.0.0
  * Copyright (c) 2012-2020, Frederic Cambus
  * https://www.statdns.com
  *
diff --git a/src/strtolower.h b/src/strtolower.h
index 3fb1391..6129c56 100644
--- a/src/strtolower.h
+++ b/src/strtolower.h
@@ -1,5 +1,5 @@
 /*
- * StatZone
+ * StatZone 1.0.0
  * Copyright (c) 2012-2020, Frederic Cambus
  * https://www.statdns.com
  *