diff --git a/pkgs/applications/networking/instant-messengers/element/element-desktop-package.json b/pkgs/applications/networking/instant-messengers/element/element-desktop-package.json
index 148e06fa88e..30645793728 100644
--- a/pkgs/applications/networking/instant-messengers/element/element-desktop-package.json
+++ b/pkgs/applications/networking/instant-messengers/element/element-desktop-package.json
@@ -2,7 +2,7 @@
   "name": "element-desktop",
   "productName": "Element",
   "main": "src/electron-main.js",
-  "version": "1.7.3",
+  "version": "1.7.4",
   "description": "A feature-rich client for Matrix.org",
   "author": "Element",
   "repository": {
@@ -61,7 +61,7 @@
   },
   "build": {
     "appId": "im.riot.app",
-    "electronVersion": "9.0.5",
+    "electronVersion": "9.1.2",
     "files": [
       "package.json",
       {
diff --git a/pkgs/applications/networking/instant-messengers/element/element-desktop.nix b/pkgs/applications/networking/instant-messengers/element/element-desktop.nix
index 7c42f9c1e0c..09fd89b0da7 100644
--- a/pkgs/applications/networking/instant-messengers/element/element-desktop.nix
+++ b/pkgs/applications/networking/instant-messengers/element/element-desktop.nix
@@ -8,12 +8,12 @@
 
 let
   executableName = "element-desktop";
-  version = "1.7.3";
+  version = "1.7.4";
   src = fetchFromGitHub {
     owner = "vector-im";
     repo = "riot-desktop";
     rev = "v${version}";
-    sha256 = "1qr00g2a8dibnkxn4pv9qkv09wwalfbgi2jq4wkq66anbgj9f39g";
+    sha256 = "16ilkf5b8mz74x1r9fym5xjb4plxzhg3g5njj1sl4qvsbrkk6r9a";
   };
   electron = electron_9;
 
diff --git a/pkgs/applications/networking/instant-messengers/element/element-web.nix b/pkgs/applications/networking/instant-messengers/element/element-web.nix
index 03990f166ae..9c818a8e8b6 100644
--- a/pkgs/applications/networking/instant-messengers/element/element-web.nix
+++ b/pkgs/applications/networking/instant-messengers/element/element-web.nix
@@ -12,11 +12,11 @@ let
 
 in stdenv.mkDerivation rec {
   pname = "element-web";
-  version = "1.7.3";
+  version = "1.7.4";
 
   src = fetchurl {
     url = "https://github.com/vector-im/riot-web/releases/download/v${version}/riot-v${version}.tar.gz";
-    sha256 = "0vlh89kilnpg90kdxlikfak03zdwhwj754xskgb27jal0iaw0r8s";
+    sha256 = "0ssyd5b9yrxidivr3rcjsd8ixkmppsmmr7a8k0sv16yk7hjnvz5b";
   };
 
   installPhase = ''
diff --git a/pkgs/development/python-modules/canonicaljson/default.nix b/pkgs/development/python-modules/canonicaljson/default.nix
index 24cccc3aa77..34d75d77a9c 100644
--- a/pkgs/development/python-modules/canonicaljson/default.nix
+++ b/pkgs/development/python-modules/canonicaljson/default.nix
@@ -1,14 +1,15 @@
 { stdenv, buildPythonPackage, fetchPypi
-, frozendict, simplejson, six
+, frozendict, simplejson, six, isPy27
 }:
 
 buildPythonPackage rec {
   pname = "canonicaljson";
-  version = "1.1.4";
+  version = "1.3.0";
+  disabled = isPy27;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "45bce530ff5fd0ca93703f71bfb66de740a894a3b5dd6122398c6d8f18539725";
+    sha256 = "0v2b72n28fi763xxv9vrf4qc61anl2ys9njy7hlm719fdaq3sxml";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/servers/matrix-synapse/default.nix b/pkgs/servers/matrix-synapse/default.nix
index ed9c9b801b0..a321f609df8 100644
--- a/pkgs/servers/matrix-synapse/default.nix
+++ b/pkgs/servers/matrix-synapse/default.nix
@@ -9,11 +9,11 @@ let
 in
 buildPythonApplication rec {
   pname = "matrix-synapse";
-  version = "1.18.0";
+  version = "1.19.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0bqacma2ip0l053rfvxznbixs2rmb2dawqi2jq2zbqk5jqxhpaxi";
+    sha256 = "1fl9p0cb442271hx7zjz8vp111xgvdpn4khk8bk3kl8z9hjs2l1p";
   };
 
   patches = [