diff --git a/README.md b/README.md
index 9271bcf..72ae141 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ If you don't have YunoHost, please consult [the guide](https://yunohost.org/#/in
 ## Overview
 LXD is a next generation system container manager. It offers a user experience similar to virtual machines but using Linux containers instead.
 
-**Shipped version:** 4.20
+**Shipped version:** 4.21
 
 ## Demo
 
diff --git a/conf/go.arm.src b/conf/go.arm.src
index 2c5177a..324088c 100644
--- a/conf/go.arm.src
+++ b/conf/go.arm.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://golang.org/dl/go1.17.linux-armv6l.tar.gz
-SOURCE_SUM=ae89d33f4e4acc222bdb04331933d5ece4ae71039812f6ccd7493cb3e8ddfb4e
+SOURCE_URL=https://go.dev/dl/go1.17.5.linux-armv6l.tar.gz
+SOURCE_SUM=aa1fb6c53b4fe72f159333362a10aca37ae938bde8adc9c6eaf2a8e87d1e47de
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/conf/go.arm64.src b/conf/go.arm64.src
index cefdc7d..7f2f95d 100644
--- a/conf/go.arm64.src
+++ b/conf/go.arm64.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://golang.org/dl/go1.17.linux-arm64.tar.gz
-SOURCE_SUM=01a9af009ada22122d3fcb9816049c1d21842524b38ef5d5a0e2ee4b26d7c3e7
+SOURCE_URL=https://go.dev/dl/go1.17.5.linux-arm64.tar.gz
+SOURCE_SUM=6f95ce3da40d9ce1355e48f31f4eb6508382415ca4d7413b1e7a3314e6430e7e
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/conf/go.i386.src b/conf/go.i386.src
index 822c04a..c46d213 100644
--- a/conf/go.i386.src
+++ b/conf/go.i386.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://golang.org/dl/go1.17.linux-386.tar.gz
-SOURCE_SUM=c19e3227a6ac6329db91d1af77bbf239ccd760a259c16e6b9c932d527ff14848
+SOURCE_URL=https://go.dev/dl/go1.17.5.linux-386.tar.gz
+SOURCE_SUM=4f4914303bc18f24fd137a97e595735308f5ce81323c7224c12466fd763fc59f
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/conf/go.x86-64.src b/conf/go.x86-64.src
index b883cc4..f3505a1 100644
--- a/conf/go.x86-64.src
+++ b/conf/go.x86-64.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://golang.org/dl/go1.17.linux-amd64.tar.gz
-SOURCE_SUM=6bf89fc4f5ad763871cf7eac80a2d594492de7a818303283f1366a7f6a30372d
+SOURCE_URL=https://go.dev/dl/go1.17.5.linux-amd64.tar.gz
+SOURCE_SUM=bd78114b0d441b029c8fe0341f4910370925a4d270a6a590668840675b0c653e
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/conf/lxd.src b/conf/lxd.src
index 083c4a5..c7565c3 100644
--- a/conf/lxd.src
+++ b/conf/lxd.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/lxc/lxd/releases/download/lxd-4.20/lxd-4.20.tar.gz
-SOURCE_SUM=35504ef2e2dc7024b7088010987657969b1e2dea5581b24b4294f8f449248ed5
+SOURCE_URL=https://github.com/lxc/lxd/releases/download/lxd-4.21/lxd-4.21.tar.gz
+SOURCE_SUM=7a6745b50a5914d6f7812ee1def103373b38ea4759593302a0eded2787a652ac
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/manifest.json b/manifest.json
index fce2641..6ad7106 100644
--- a/manifest.json
+++ b/manifest.json
@@ -5,7 +5,7 @@
     "description": {
         "en": "Offers a user experience similar to virtual machines but using Linux containers instead."
     },
-    "version": "4.20~ynh2",
+    "version": "4.21~ynh1",
     "url": "https://example.com",
     "license": "Apache-2.0",
     "maintainer": {