diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index cd5294ed..5a4e0b7f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -29,7 +29,7 @@ jobs:
           ref: ${{ github.event.pull_request.head.sha }}
           persist-credentials: false
       - name: download filtermail
-        run: curl -L https://github.com/chatmail/filtermail/releases/download/v0.6.2/filtermail-x86_64 -o /usr/local/bin/filtermail && chmod +x /usr/local/bin/filtermail
+        run: curl -L https://github.com/chatmail/filtermail/releases/download/v0.6.4/filtermail-x86_64 -o /usr/local/bin/filtermail && chmod +x /usr/local/bin/filtermail
       - name: run chatmaild tests 
         working-directory: chatmaild
         run: pipx run tox
diff --git a/cmdeploy/src/cmdeploy/filtermail/deployer.py b/cmdeploy/src/cmdeploy/filtermail/deployer.py
index e8b5e682..d267fbf8 100644
--- a/cmdeploy/src/cmdeploy/filtermail/deployer.py
+++ b/cmdeploy/src/cmdeploy/filtermail/deployer.py
@@ -26,10 +26,10 @@ class FiltermailDeployer(Deployer):
             return
 
         arch = host.get_fact(facts.server.Arch)
-        url = f"https://github.com/chatmail/filtermail/releases/download/v0.6.2/filtermail-{arch}"
+        url = f"https://github.com/chatmail/filtermail/releases/download/v0.6.4/filtermail-{arch}"
         sha256sum = {
-            "x86_64": "0c68456d0999da727914e937cfce97fce6d3612f997438f536f4224c839f0ace",
-            "aarch64": "5ac6f0be433b1c1ee907e1c1c47304473737a40fb5456d082a60f9dbb1688c36",
+            "x86_64": "5295115952c72e4c4ec3c85546e094b4155a4c702c82bd71fcdcb744dc73adf6",
+            "aarch64": "6892244f17b8f26ccb465766e96028e7222b3c8adefca9fc6bfe9ff332ca8dff",
         }[arch]
         self.need_restart |= files.download(
             name="Download filtermail",