diff --git a/.github/workflows/aux_tests.yml b/.github/workflows/aux_tests.yml
index ceb0c64016..d7612d6d1d 100644
--- a/.github/workflows/aux_tests.yml
+++ b/.github/workflows/aux_tests.yml
@@ -33,13 +33,13 @@ jobs:
           sudo apt-get install -y git make gcc
           make system-deps
       - name: Install/upgrade Python setup deps
-        run: python3 -m pip install --upgrade pip setuptools wheel
+        run: python3 -m pip install --upgrade pip setuptools wheel uv
       - name: Replace scarf urls
         run: |
           sed -i 's/https:\/\/coqui.gateway.scarf.sh\//https:\/\/github.com\/coqui-ai\/TTS\/releases\/download\//g' TTS/.models.json
       - name: Install TTS
         run: |
-          python3 -m pip install .[all]
+          python3 -m uv pip install --system "TTS[all] @ ."
           python3 setup.py egg_info
       - name: Unit tests
         run: make test_aux
diff --git a/.github/workflows/data_tests.yml b/.github/workflows/data_tests.yml
index d5bfef3f77..c1b7e50d19 100644
--- a/.github/workflows/data_tests.yml
+++ b/.github/workflows/data_tests.yml
@@ -33,13 +33,13 @@ jobs:
           sudo apt-get install -y --no-install-recommends git make gcc
           make system-deps
       - name: Install/upgrade Python setup deps
-        run: python3 -m pip install --upgrade pip setuptools wheel
+        run: python3 -m pip install --upgrade pip setuptools wheel uv
       - name: Replace scarf urls
         run: |
           sed -i 's/https:\/\/coqui.gateway.scarf.sh\//https:\/\/github.com\/coqui-ai\/TTS\/releases\/download\//g' TTS/.models.json
       - name: Install TTS
         run: |
-          python3 -m pip install .[all]
+          python3 -m uv pip install --system "TTS[all] @ ."
           python3 setup.py egg_info
       - name: Unit tests
         run: make data_tests
diff --git a/.github/workflows/inference_tests.yml b/.github/workflows/inference_tests.yml
index d7a01adf2c..a396add216 100644
--- a/.github/workflows/inference_tests.yml
+++ b/.github/workflows/inference_tests.yml
@@ -35,13 +35,13 @@ jobs:
           sudo apt-get install espeak-ng
           make system-deps
       - name: Install/upgrade Python setup deps
-        run: python3 -m pip install --upgrade pip setuptools wheel
+        run: python3 -m pip install --upgrade pip setuptools wheel uv
       - name: Replace scarf urls
         run: |
           sed -i 's/https:\/\/coqui.gateway.scarf.sh\//https:\/\/github.com\/coqui-ai\/TTS\/releases\/download\//g' TTS/.models.json
       - name: Install TTS
         run: |
-          python3 -m pip install .[all]
+          python3 -m uv pip install --system "TTS[all] @ ."
           python3 setup.py egg_info
       - name: Unit tests
         run: make inference_tests
diff --git a/.github/workflows/text_tests.yml b/.github/workflows/text_tests.yml
index 4bcb685887..adfba0260c 100644
--- a/.github/workflows/text_tests.yml
+++ b/.github/workflows/text_tests.yml
@@ -35,10 +35,10 @@ jobs:
           sudo apt-get install espeak-ng
           make system-deps
       - name: Install/upgrade Python setup deps
-        run: python3 -m pip install --upgrade pip setuptools wheel
+        run: python3 -m pip install --upgrade pip setuptools wheel uv
       - name: Install TTS
         run: |
-          python3 -m pip install .[all]
+          python3 -m uv pip install --system "TTS[all] @ ."
           python3 setup.py egg_info
       - name: Unit tests
         run: make test_text
diff --git a/.github/workflows/tts_tests.yml b/.github/workflows/tts_tests.yml
index 60940ba8aa..72fa0a9f29 100644
--- a/.github/workflows/tts_tests.yml
+++ b/.github/workflows/tts_tests.yml
@@ -35,13 +35,13 @@ jobs:
           sudo apt-get install espeak-ng
           make system-deps
       - name: Install/upgrade Python setup deps
-        run: python3 -m pip install --upgrade pip setuptools wheel
+        run: python3 -m pip install --upgrade pip setuptools wheel uv
       - name: Replace scarf urls
         run: |
           sed -i 's/https:\/\/coqui.gateway.scarf.sh\//https:\/\/github.com\/coqui-ai\/TTS\/releases\/download\//g' TTS/.models.json
       - name: Install TTS
         run: |
-          python3 -m pip install .[all]
+          python3 -m uv pip install --system "TTS[all] @ ."
           python3 setup.py egg_info
       - name: Unit tests
         run: make test_tts
diff --git a/.github/workflows/tts_tests2.yml b/.github/workflows/tts_tests2.yml
index 17cb3f2f56..0ac42993d6 100644
--- a/.github/workflows/tts_tests2.yml
+++ b/.github/workflows/tts_tests2.yml
@@ -35,13 +35,13 @@ jobs:
           sudo apt-get install espeak-ng
           make system-deps
       - name: Install/upgrade Python setup deps
-        run: python3 -m pip install --upgrade pip setuptools wheel
+        run: python3 -m pip install --upgrade pip setuptools wheel uv
       - name: Replace scarf urls
         run: |
           sed -i 's/https:\/\/coqui.gateway.scarf.sh\//https:\/\/github.com\/coqui-ai\/TTS\/releases\/download\//g' TTS/.models.json
       - name: Install TTS
         run: |
-          python3 -m pip install .[all]
+          python3 -m uv pip install --system "TTS[all] @ ."
           python3 setup.py egg_info
       - name: Unit tests
         run: make test_tts2
diff --git a/.github/workflows/vocoder_tests.yml b/.github/workflows/vocoder_tests.yml
index 778529b298..b877942a8f 100644
--- a/.github/workflows/vocoder_tests.yml
+++ b/.github/workflows/vocoder_tests.yml
@@ -33,10 +33,10 @@ jobs:
           sudo apt-get install -y git make gcc
           make system-deps
       - name: Install/upgrade Python setup deps
-        run: python3 -m pip install --upgrade pip setuptools wheel
+        run: python3 -m pip install --upgrade pip setuptools wheel uv
       - name: Install TTS
         run: |
-          python3 -m pip install .[all]
+          python3 -m uv pip install --system "TTS[all] @ ."
           python3 setup.py egg_info
       - name: Unit tests
         run: make test_vocoder
diff --git a/.github/workflows/xtts_tests.yml b/.github/workflows/xtts_tests.yml
index 99cec287eb..08093e578b 100644
--- a/.github/workflows/xtts_tests.yml
+++ b/.github/workflows/xtts_tests.yml
@@ -35,13 +35,13 @@ jobs:
           sudo apt-get install espeak-ng
           make system-deps
       - name: Install/upgrade Python setup deps
-        run: python3 -m pip install --upgrade pip setuptools wheel
+        run: python3 -m pip install --upgrade pip setuptools wheel uv
       - name: Replace scarf urls
         run: |
           sed -i 's/https:\/\/coqui.gateway.scarf.sh\//https:\/\/github.com\/coqui-ai\/TTS\/releases\/download\//g' TTS/.models.json
       - name: Install TTS
         run: |
-          python3 -m pip install .[all]
+          python3 -m uv pip install --system "TTS[all] @ ."
           python3 setup.py egg_info
       - name: Unit tests
         run: make test_xtts
diff --git a/.github/workflows/zoo_tests0.yml b/.github/workflows/zoo_tests0.yml
index 69deb884ef..3337d375a2 100644
--- a/.github/workflows/zoo_tests0.yml
+++ b/.github/workflows/zoo_tests0.yml
@@ -34,13 +34,13 @@ jobs:
           sudo apt-get install espeak espeak-ng
           make system-deps
       - name: Install/upgrade Python setup deps
-        run: python3 -m pip install --upgrade pip setuptools wheel
+        run: python3 -m pip install --upgrade pip setuptools wheel uv
       - name: Replace scarf urls
         run: |
           sed -i 's/https:\/\/coqui.gateway.scarf.sh\//https:\/\/github.com\/coqui-ai\/TTS\/releases\/download\//g' TTS/.models.json
       - name: Install TTS
         run: |
-          python3 -m pip install .[all]
+          python3 -m uv pip install --system "TTS[all] @ ."
           python3 setup.py egg_info
       - name: Unit tests
         run: |
diff --git a/.github/workflows/zoo_tests1.yml b/.github/workflows/zoo_tests1.yml
index 7a10c6af70..03147423a1 100644
--- a/.github/workflows/zoo_tests1.yml
+++ b/.github/workflows/zoo_tests1.yml
@@ -34,14 +34,14 @@ jobs:
           sudo apt-get install espeak espeak-ng
           make system-deps
       - name: Install/upgrade Python setup deps
-        run: python3 -m pip install --upgrade pip setuptools wheel
+        run: python3 -m pip install --upgrade pip setuptools wheel uv
       - name: Replace scarf urls
         run: |
           sed -i 's/https:\/\/coqui.gateway.scarf.sh\/hf\/bark\//https:\/\/huggingface.co\/erogol\/bark\/resolve\/main\//g' TTS/.models.json
           sed -i 's/https:\/\/coqui.gateway.scarf.sh\//https:\/\/github.com\/coqui-ai\/TTS\/releases\/download\//g' TTS/.models.json
       - name: Install TTS
         run: |
-          python3 -m pip install .[all]
+          python3 -m uv pip install --system "TTS[all] @ ."
           python3 setup.py egg_info
       - name: Unit tests
         run: nose2 -F -v -B --with-coverage --coverage TTS tests.zoo_tests.test_models.test_models_offset_1_step_3
diff --git a/.github/workflows/zoo_tests2.yml b/.github/workflows/zoo_tests2.yml
index 0e0392f70a..8111860bdc 100644
--- a/.github/workflows/zoo_tests2.yml
+++ b/.github/workflows/zoo_tests2.yml
@@ -34,13 +34,13 @@ jobs:
           sudo apt-get install espeak espeak-ng
           make system-deps
       - name: Install/upgrade Python setup deps
-        run: python3 -m pip install --upgrade pip setuptools wheel
+        run: python3 -m pip install --upgrade pip setuptools wheel uv
       - name: Replace scarf urls
         run: |
           sed -i 's/https:\/\/coqui.gateway.scarf.sh\//https:\/\/github.com\/coqui-ai\/TTS\/releases\/download\//g' TTS/.models.json
       - name: Install TTS
         run: |
-          python3 -m pip install .[all]
+          python3 -m uv pip install --system "TTS[all] @ ."
           python3 setup.py egg_info
       - name: Unit tests
         run: nose2 -F -v -B --with-coverage --coverage TTS tests.zoo_tests.test_models.test_models_offset_2_step_3