diff --git a/pkgs/applications/networking/irc/quassel/default.nix b/pkgs/applications/networking/irc/quassel/default.nix
index aca68f94670d..0c89b002f47c 100644
--- a/pkgs/applications/networking/irc/quassel/default.nix
+++ b/pkgs/applications/networking/irc/quassel/default.nix
@@ -25,7 +25,7 @@ let
 
 in with stdenv; mkDerivation rec {
 
-  version = "0.12.2";
+  version = "0.12.3";
   name = "quassel${tag}-${version}";
 
   src = fetchurl {
diff --git a/pkgs/applications/networking/irc/quassel/qt-5.nix b/pkgs/applications/networking/irc/quassel/qt-5.nix
index 19e0c475c665..f401cace06ec 100644
--- a/pkgs/applications/networking/irc/quassel/qt-5.nix
+++ b/pkgs/applications/networking/irc/quassel/qt-5.nix
@@ -36,7 +36,7 @@ let
 
 in with stdenv; mkDerivation rec {
 
-  version = "0.12.2";
+  version = "0.12.3";
   name = "quassel${tag}-${version}";
 
   src = fetchurl {