diff --git a/gui/index.html b/gui/index.html
index 8a7a8dffb016bf038d008d9617491a0471c42fda..edba13363263da16ba0dc8c4bf2a036160462b59 100644
--- a/gui/index.html
+++ b/gui/index.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
-  <title>Duniter 1.6.20</title>
+  <title>Duniter 1.6.21</title>
   <style>
     html {
       font-family: "Courier New", Courier, monospace;
diff --git a/package.json b/package.json
index b760ca720432029082592bad3f82a23503f6ebcf..e424d04d98c36efefc988c8f8620d72b643ab3f5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "duniter",
-  "version": "1.6.20",
+  "version": "1.6.21",
   "engines": {
     "node": ">=8.2.1 <10",
     "npm": ">=3.10"
@@ -12,7 +12,7 @@
   "node-main": "./bin/duniter",
   "window": {
     "icon": "duniter.png",
-    "title": "v1.6.20",
+    "title": "v1.6.21",
     "width": 800,
     "height": 800,
     "min_width": 750,
diff --git a/release/arch/windows/duniter.iss b/release/arch/windows/duniter.iss
index 2e6d653b09b5647767dff261f0f31a9c7f252351..ce8fae3655c16654fb1c052025486108bd5fefda 100644
--- a/release/arch/windows/duniter.iss
+++ b/release/arch/windows/duniter.iss
@@ -15,7 +15,7 @@
 #error "Unable to find MyAppExe"
 #endif
 
-#define MyAppVerStr "v1.6.20"
+#define MyAppVerStr "v1.6.21"
 
 [Setup]
 AppName={#MyAppName}
diff --git a/release/extra/debian/package/DEBIAN/control b/release/extra/debian/package/DEBIAN/control
index 3a578f8c9286109421a0c311f1b0056e0b77f322..3ed53943ce0310e824f9ed9569a5e03ed9fab943 100644
--- a/release/extra/debian/package/DEBIAN/control
+++ b/release/extra/debian/package/DEBIAN/control
@@ -1,5 +1,5 @@
 Package: duniter
-Version: 1.6.20
+Version: 1.6.21
 Depends: unzip
 Section: misc
 Priority: optional