diff --git a/pkgs/applications/networking/syncplay/default.nix b/pkgs/applications/networking/syncplay/default.nix
index c8610d80ca7..763c740c817 100644
--- a/pkgs/applications/networking/syncplay/default.nix
+++ b/pkgs/applications/networking/syncplay/default.nix
@@ -2,7 +2,7 @@
 
 buildPythonApplication rec {
   name = "syncplay-${version}";
-  version = "1.6.3";
+  version = "1.6.4";
 
   format = "other";
 
@@ -10,7 +10,7 @@ buildPythonApplication rec {
     owner = "Syncplay";
     repo = "syncplay";
     rev = "v${version}";
-    sha256 = "03xw44lxdk1h9kbvfviqzpmxxld6zvp07i0hvdm1chchyp0a109h";
+    sha256 = "0afh2a0l1c3hwgj5q6wy0v5iimg8qcjam3pw7b8mf63lasx6iqk4";
   };
 
   propagatedBuildInputs = [ pyside twisted certifi ] ++ twisted.extras.tls;