diff --git a/conf/amd64.src b/conf/amd64.src
index 6324e2b..2d22171 100644
--- a/conf/amd64.src
+++ b/conf/amd64.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://releases.mattermost.com/6.3.3/mattermost-team-6.3.3-linux-amd64.tar.gz
-SOURCE_SUM=1e61f04968d13180d28fd76a9b917fa828d77847edb9956f5f3a52dca7804b3f
+SOURCE_URL=https://releases.mattermost.com/6.4.0/mattermost-team-6.4.0-linux-amd64.tar.gz
+SOURCE_SUM=6c0311e009322d09dfe0fe4cbb85f510a3ab7ab3dda87aba4323c1689068951d
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/conf/arm64.src b/conf/arm64.src
index e0878eb..e1fdb5f 100644
--- a/conf/arm64.src
+++ b/conf/arm64.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/SmartHoneybee/ubiquitous-memory/releases/download/v6.3.3/mattermost-v6.3.3-linux-arm64.tar.gz
-SOURCE_SUM=ded58bd1b3136b818982cdc87e4f3cd82af4ac86d8ffabacdc7854242a3fd7e7
+SOURCE_URL=https://github.com/SmartHoneybee/ubiquitous-memory/releases/download/v6.4.0/mattermost-v6.4.0-linux-arm64.tar.gz
+SOURCE_SUM=760e61b97b65630e458de2c697406f4cd381508136944a81c1877d09801267ce
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/conf/armhf.src b/conf/armhf.src
index 45bb735..7007602 100644
--- a/conf/armhf.src
+++ b/conf/armhf.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/SmartHoneybee/ubiquitous-memory/releases/download/v6.3.3/mattermost-v6.3.3-linux-arm.tar.gz
-SOURCE_SUM=0ad758191860122ef9be5f95fb990322021dad9515c6a15992b68545dbe7dda7
+SOURCE_URL=https://github.com/SmartHoneybee/ubiquitous-memory/releases/download/v6.4.0/mattermost-v6.4.0-linux-arm.tar.gz
+SOURCE_SUM=49c03d7e9ace44f9999f5dec3f6efd9d9063facb81df4f96ba19c1f0cf4f1fc0
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/conf/enterprise.src b/conf/enterprise.src
index 0a6adad..9d71f09 100644
--- a/conf/enterprise.src
+++ b/conf/enterprise.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://releases.mattermost.com/6.3.3/mattermost-enterprise-6.3.3-linux-amd64.tar.gz
-SOURCE_SUM=3a0f43506c84e1c59817b1103fff2ccc8ad63352ddaa7a6a73e1d6f8bed7029a
+SOURCE_URL=https://releases.mattermost.com/6.4.0/mattermost-enterprise-6.4.0-linux-amd64.tar.gz
+SOURCE_SUM=a194fd3d2bebed8e6b5721261621030e573f4500c54fb251cfd8ff6f32fe714e
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/manifest.json b/manifest.json
index e3473fa..fe3a987 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Open source collaboration platform built for developers",
         "fr": "Plateforme de collaboration open source conçue pour les développeurs"
     },
-    "version": "6.3.3~ynh1",
+    "version": "6.4.0~ynh1",
     "url": "http://www.mattermost.org/",
     "upstream": {
         "license": "GPL-3.0-only",