diff --git a/pkgs/applications/networking/instant-messengers/gajim/default.nix b/pkgs/applications/networking/instant-messengers/gajim/default.nix
index de846c7c7c0a..ee0137e4fdd5 100644
--- a/pkgs/applications/networking/instant-messengers/gajim/default.nix
+++ b/pkgs/applications/networking/instant-messengers/gajim/default.nix
@@ -43,14 +43,14 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "gajim";
-  version = "2.3.6";
+  version = "2.4.2";
 
   src = fetchFromGitLab {
     domain = "dev.gajim.org";
     owner = "gajim";
     repo = "gajim";
     tag = version;
-    hash = "sha256-Mvi69FI2zRefcCnLsurdVNMxYaqKsUCKgeFxOh6vg/o=";
+    hash = "sha256-VBo0+8lOXWbi3a9FT0qcEkyoxzVAm+QLrBtHmRjUHbg=";
   };
 
   pyproject = true;
@@ -112,6 +112,9 @@ python3.pkgs.buildPythonApplication rec {
       qrcode
       sqlalchemy
       emoji
+      httpx
+      h2
+      truststore
     ]
     ++ lib.optionals enableE2E [
       pycrypto
diff --git a/pkgs/development/python-modules/nbxmpp/default.nix b/pkgs/development/python-modules/nbxmpp/default.nix
index ad9be9312a9b..6de2732e7a3c 100644
--- a/pkgs/development/python-modules/nbxmpp/default.nix
+++ b/pkgs/development/python-modules/nbxmpp/default.nix
@@ -16,7 +16,7 @@
 
 buildPythonPackage rec {
   pname = "nbxmpp";
-  version = "6.4.0";
+  version = "7.0.0";
   pyproject = true;
 
   src = fetchFromGitLab {
@@ -24,7 +24,7 @@ buildPythonPackage rec {
     owner = "gajim";
     repo = "python-nbxmpp";
     tag = version;
-    hash = "sha256-q910WbBp0TBqXw8WfYniliVGnr4Hi6dDhVDqZszSL0c=";
+    hash = "sha256-NzSXvuPf7PZbMPgD3nhPgTH4Vd8DVx49fjf7cPcvywc=";
   };
 
   nativeBuildInputs = [
@@ -40,12 +40,7 @@ buildPythonPackage rec {
     idna
     libsoup_3
     packaging
-    (pygobject3.overrideAttrs (o: {
-      src = fetchurl {
-        url = "mirror://gnome/sources/pygobject/3.52/pygobject-3.52.3.tar.gz";
-        hash = "sha256-AOQn0pHpV0Yqj61lmp+ci+d2/4Kot2vfQC8eruwIbYI=";
-      };
-    }))
+    pygobject3
     pyopenssl
   ];
 
diff --git a/pkgs/development/python-modules/omemo-dr/default.nix b/pkgs/development/python-modules/omemo-dr/default.nix
index 12acd1cbb7e7..7c33e56c1dd5 100644
--- a/pkgs/development/python-modules/omemo-dr/default.nix
+++ b/pkgs/development/python-modules/omemo-dr/default.nix
@@ -2,7 +2,7 @@
   lib,
   buildPythonPackage,
   cryptography,
-  fetchPypi,
+  fetchFromGitLab,
   protobuf,
   pytestCheckHook,
   setuptools,
@@ -10,12 +10,15 @@
 
 buildPythonPackage rec {
   pname = "omemo-dr";
-  version = "1.0.1";
+  version = "1.2.0";
   pyproject = true;
 
-  src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-KoqMdyMdc5Sb3TdSeNTVomElK9ruUstiQayyUcIC02E=";
+  src = fetchFromGitLab {
+    domain = "dev.gajim.org";
+    owner = "gajim";
+    repo = "omemo-dr";
+    tag = "v${version}";
+    hash = "sha256-8+uBO7Nl6YcEwthWmChqCTLvUelF8QJl+dHzkqbPVqM=";
   };
 
   nativeBuildInputs = [ setuptools ];