diff --git a/maintainers/team-list.nix b/maintainers/team-list.nix
index 3e6843f0e573..e14b5b3e9b32 100644
--- a/maintainers/team-list.nix
+++ b/maintainers/team-list.nix
@@ -203,4 +203,12 @@ with lib.maintainers; {
     ];
     scope = "Group registration for Serokell employees who collectively maintain packages.";
   };
+
+  tts = {
+    members = [
+      hexa
+      mic92
+    ];
+    scope = "coqui-ai TTS (formerly Mozilla TTS) and leaf packages";
+  };
 }
diff --git a/pkgs/development/python-modules/anyascii/default.nix b/pkgs/development/python-modules/anyascii/default.nix
new file mode 100644
index 000000000000..8e8b1c920733
--- /dev/null
+++ b/pkgs/development/python-modules/anyascii/default.nix
@@ -0,0 +1,29 @@
+{ lib
+, buildPythonPackage
+, pythonOlder
+, fetchPypi
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "anyascii";
+  version = "0.2.0";
+  format = "setuptools";
+  disabled = pythonOlder "3.3";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1b6jdd9nx15py0jqjdn154m6m491517sqlk57bbyj3x4xzywadkh";
+  };
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  meta = with lib; {
+    description = "Unicode to ASCII transliteration";
+    homepage = "https://github.com/anyascii/anyascii";
+    license = licenses.isc;
+    maintainers = teams.tts.members;
+  };
+}
diff --git a/pkgs/development/python-modules/coqpit/default.nix b/pkgs/development/python-modules/coqpit/default.nix
index c4df114e24df..96e18d76ba74 100644
--- a/pkgs/development/python-modules/coqpit/default.nix
+++ b/pkgs/development/python-modules/coqpit/default.nix
@@ -6,14 +6,14 @@
 
 buildPythonPackage rec {
   pname = "coqpit";
-  version = "0.0.6.6";
+  version = "0.0.9";
   format = "setuptools";
 
   src = fetchFromGitHub {
     owner = "coqui-ai";
     repo = pname;
     rev = "v${version}";
-    sha256 = "0wb5wf84i5h4ycm732kn4316v7schhm91s2rrklfw9sny5dqmdnh";
+    sha256 = "1dh3bp7m9fjfrfrahblibrx91sagndkdi0325ail63kyvlhzbkma";
   };
 
   checkInputs = [
@@ -32,6 +32,6 @@ buildPythonPackage rec {
     '';
     homepage = "https://github.com/coqui-ai/coqpit";
     license = licenses.mit;
-    maintainers = with maintainers; [ hexa mic92 ];
+    maintainers = teams.tts.members;
   };
 }
diff --git a/pkgs/development/python-modules/inflect/default.nix b/pkgs/development/python-modules/inflect/default.nix
index f81ceabd27e1..9081a30ac6be 100644
--- a/pkgs/development/python-modules/inflect/default.nix
+++ b/pkgs/development/python-modules/inflect/default.nix
@@ -28,5 +28,6 @@ buildPythonPackage rec {
     homepage = "https://github.com/jaraco/inflect";
     changelog = "https://github.com/jaraco/inflect/blob/v${version}/CHANGES.rst";
     license = licenses.mit;
+    maintainers = teams.tts.members;
   };
 }
diff --git a/pkgs/development/python-modules/jieba/default.nix b/pkgs/development/python-modules/jieba/default.nix
index b515cd92b23b..8b7146ebef93 100644
--- a/pkgs/development/python-modules/jieba/default.nix
+++ b/pkgs/development/python-modules/jieba/default.nix
@@ -29,5 +29,6 @@ buildPythonPackage rec {
     description = "Chinese Words Segementation Utilities";
     homepage = "https://github.com/fxsjy/jieba";
     license = licenses.mit;
+    maintainers = teams.tts.members;
   };
 }
diff --git a/pkgs/development/python-modules/pypinyin/default.nix b/pkgs/development/python-modules/pypinyin/default.nix
index 9615e07d7c74..edefbf16ca2d 100644
--- a/pkgs/development/python-modules/pypinyin/default.nix
+++ b/pkgs/development/python-modules/pypinyin/default.nix
@@ -6,13 +6,13 @@
 
 buildPythonPackage rec {
   pname = "pypinyin";
-  version = "0.41.0";
+  version = "0.42.0";
 
   src = fetchFromGitHub {
     owner = "mozillazg";
     repo = "python-pinyin";
     rev = "v${version}";
-    sha256 = "1s01dd5n6cgjg24dmji0abxkyvr1yi18lx4rpm9z54v0q3wkccg9";
+    sha256 = "0i0ggizkgd809ylz74j1v5lfpyifz3wypj6f8l8fr5ad7a7r9s09";
   };
 
   postPatch = ''
@@ -33,6 +33,6 @@ buildPythonPackage rec {
     homepage = "https://github.com/mozillazg/python-pinyin";
     changelog = "https://github.com/mozillazg/python-pinyin/blob/master/CHANGELOG.rst";
     license = licenses.mit;
-    maintainers = with maintainers; [ hexa mic92 ];
+    maintainers = teams.tts.members;
   };
 }
diff --git a/pkgs/development/python-modules/pysbd/default.nix b/pkgs/development/python-modules/pysbd/default.nix
index e1e0578c83b8..f25283dbbbcc 100644
--- a/pkgs/development/python-modules/pysbd/default.nix
+++ b/pkgs/development/python-modules/pysbd/default.nix
@@ -26,6 +26,6 @@ buildPythonPackage rec {
     description = "Pysbd (Python Sentence Boundary Disambiguation) is a rule-based sentence boundary detection that works out-of-the-box across many languages";
     homepage = "https://github.com/nipunsadvilkar/pySBD";
     license = licenses.mit;
-    maintainers = [ maintainers.mic92 ];
+    maintainers = teams.tts.members;
   };
 }
diff --git a/pkgs/development/python-modules/unidic-lite/default.nix b/pkgs/development/python-modules/unidic-lite/default.nix
new file mode 100644
index 000000000000..eec9c7022a0d
--- /dev/null
+++ b/pkgs/development/python-modules/unidic-lite/default.nix
@@ -0,0 +1,29 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "unidic-lite";
+  version = "1.0.8";
+  format = "setuptools";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0idj4yp0sl27ylr2wzkybbh0wj7c843lp7cljw5d1m7xv5r4b7fv";
+  };
+
+  # no tests
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "unidic_lite"
+  ];
+
+  meta = with lib; {
+    description = "A small version of UniDic";
+    homepage = "https://github.com/polm/unidic-lite";
+    license = licenses.mit;
+    maintainers = teams.tts.members;
+  };
+}
diff --git a/pkgs/tools/audio/tts/default.nix b/pkgs/tools/audio/tts/default.nix
index 51976a2d6a11..0e57e19a2883 100644
--- a/pkgs/tools/audio/tts/default.nix
+++ b/pkgs/tools/audio/tts/default.nix
@@ -12,20 +12,20 @@
 #
 # If you upgrade from an old version you may have to delete old models from ~/.local/share/tts
 # Also note that your tts version might not support all available models so check:
-#   https://github.com/coqui-ai/TTS/releases/tag/v0.0.14
+#   https://github.com/coqui-ai/TTS/releases/tag/v0.0.15.1
 #
 # For now, for deployment check the systemd unit in the pull request:
 #   https://github.com/NixOS/nixpkgs/pull/103851#issue-521121136
 
 python3Packages.buildPythonApplication rec {
   pname = "tts";
-  version = "0.0.14";
+  version = "0.0.15.1";
 
   src = fetchFromGitHub {
     owner = "coqui-ai";
     repo = "TTS";
     rev = "v${version}";
-    sha256 = "0cl0ri90mx0y19fmqww73lp5nv6qkpc45rm4157i7p6q6llajdhp";
+    sha256 = "0z6sbzspgmw5ja8r2zysyhdk4jzlv88a0ihkvxvvwxslkyncdb89";
   };
 
   postPatch = ''
@@ -41,6 +41,7 @@ python3Packages.buildPythonApplication rec {
   ];
 
   propagatedBuildInputs = with python3Packages; [
+    anyascii
     coqpit
     flask
     gdown
@@ -48,6 +49,7 @@ python3Packages.buildPythonApplication rec {
     jieba
     librosa
     matplotlib
+    mecab-python3
     numba
     pandas
     pypinyin
@@ -56,9 +58,10 @@ python3Packages.buildPythonApplication rec {
     scipy
     soundfile
     tensorboardx
+    tensorflow
     tqdm
     umap-learn
-    unidecode
+    unidic-lite
   ];
 
   postInstall = ''
@@ -100,16 +103,15 @@ python3Packages.buildPythonApplication rec {
 
   disabledTestPaths = [
     # requires tensorflow
-    "tests/test_tacotron2_tf_model.py"
     "tests/vocoder_tests/test_vocoder_tf_pqmf.py"
     "tests/vocoder_tests/test_vocoder_tf_melgan_generator.py"
+    "tests/tts_tests/test_tacotron2_tf_model.py"
     # RuntimeError: fft: ATen not compiled with MKL support
     "tests/vocoder_tests/test_fullband_melgan_train.py"
     "tests/vocoder_tests/test_hifigan_train.py"
     "tests/vocoder_tests/test_melgan_train.py"
     "tests/vocoder_tests/test_multiband_melgan_train.py"
     "tests/vocoder_tests/test_parallel_wavegan_train.py"
-
   ];
 
   meta = with lib; {
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index c83823156474..8a5e0e98f2a5 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -465,6 +465,8 @@ in {
     inherit (pkgs) antlr4;
   };
 
+  anyascii = callPackage ../development/python-modules/anyascii { };
+
   anyio = callPackage ../development/python-modules/anyio { };
 
   anyjson = callPackage ../development/python-modules/anyjson { };
@@ -8790,6 +8792,8 @@ in {
 
   unidecode = callPackage ../development/python-modules/unidecode { };
 
+  unidic-lite = callPackage ../development/python-modules/unidic-lite { };
+
   unidiff = callPackage ../development/python-modules/unidiff { };
 
   unifi = callPackage ../development/python-modules/unifi { };