diff --git a/.github/workflows/playwright.yaml b/.github/workflows/playwright.yaml
index ede4f36029..1f1269f4d5 100644
--- a/.github/workflows/playwright.yaml
+++ b/.github/workflows/playwright.yaml
@@ -53,7 +53,7 @@ jobs:
           python-version: 3.12
       - uses: astral-sh/setup-uv@v3
         with:
-          version: 0.4.25
+          version: 0.5.5
           enable-cache: true
           cache-dependency-glob: "pyproject.toml"
           github-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/python-CI.yml b/.github/workflows/python-CI.yml
index 22a860ea6c..9310fc976f 100644
--- a/.github/workflows/python-CI.yml
+++ b/.github/workflows/python-CI.yml
@@ -99,7 +99,7 @@ jobs:
           python-version: ${{ matrix.py }}
       - uses: astral-sh/setup-uv@v3
         with:
-          version: 0.4.25
+          version: 0.5.5
       - run: uvx --with tox-uv tox run -e phoenix_evals -- -ra -x
 
   phoenix-otel:
@@ -122,7 +122,7 @@ jobs:
           python-version: ${{ matrix.py }}
       - uses: astral-sh/setup-uv@v3
         with:
-          version: 0.4.25
+          version: 0.5.5
       - run: uvx --with tox-uv tox run -e phoenix_otel -- -ra -x
 
   #  clean-jupyter-notebooks:
@@ -144,7 +144,7 @@ jobs:
   #      - name: Set up `uv`
   #        uses: astral-sh/setup-uv@v3
   #        with:
-  #          version: 0.4.25
+  #          version: 0.5.5
   #          enable-cache: true
   #          cache-dependency-glob: |
   #            pyproject.toml
@@ -173,7 +173,7 @@ jobs:
       - name: Set up `uv`
         uses: astral-sh/setup-uv@v3
         with:
-          version: 0.4.25
+          version: 0.5.5
           enable-cache: true
           cache-dependency-glob: |
             pyproject.toml
@@ -202,7 +202,7 @@ jobs:
       - name: Set up `uv`
         uses: astral-sh/setup-uv@v3
         with:
-          version: 0.4.25
+          version: 0.5.5
           enable-cache: true
           cache-dependency-glob: |
             pyproject.toml
@@ -231,7 +231,7 @@ jobs:
       - name: Set up `uv`
         uses: astral-sh/setup-uv@v3
         with:
-          version: 0.4.25
+          version: 0.5.5
           enable-cache: true
           cache-dependency-glob: |
             pyproject.toml
@@ -258,7 +258,7 @@ jobs:
       - name: Set up `uv`
         uses: astral-sh/setup-uv@v3
         with:
-          version: 0.4.25
+          version: 0.5.5
       - name: Run `ruff`
         run: uvx --with tox-uv tox run -e ruff
       - run: git diff --exit-code
@@ -287,7 +287,7 @@ jobs:
       - name: Set up `uv`
         uses: astral-sh/setup-uv@v3
         with:
-          version: 0.4.25
+          version: 0.5.5
           enable-cache: true
           cache-dependency-glob: |
             pyproject.toml
@@ -321,7 +321,7 @@ jobs:
       - name: Set up `uv`
         uses: astral-sh/setup-uv@v3
         with:
-          version: 0.4.25
+          version: 0.5.5
           enable-cache: true
           cache-dependency-glob: |
             pyproject.toml
@@ -356,7 +356,7 @@ jobs:
       - name: Set up `uv`
         uses: astral-sh/setup-uv@v3
         with:
-          version: 0.4.25
+          version: 0.5.5
           enable-cache: true
           cache-dependency-glob: |
             pyproject.toml
@@ -397,7 +397,7 @@ jobs:
       - name: Set up `uv`
         uses: astral-sh/setup-uv@v3
         with:
-          version: 0.4.25
+          version: 0.5.5
           enable-cache: true
           cache-dependency-glob: |
             pyproject.toml
@@ -452,7 +452,7 @@ jobs:
       - name: Set up `uv`
         uses: astral-sh/setup-uv@v3
         with:
-          version: 0.4.25
+          version: 0.5.5
           enable-cache: true
           cache-dependency-glob: |
             pyproject.toml
diff --git a/.github/workflows/python-cron.yml b/.github/workflows/python-cron.yml
index d85a533806..d70f4b9718 100644
--- a/.github/workflows/python-cron.yml
+++ b/.github/workflows/python-cron.yml
@@ -31,7 +31,7 @@ jobs:
           python-version: 3.9
       - uses: astral-sh/setup-uv@v3
         with:
-          version: 0.4.25
+          version: 0.5.5
           enable-cache: true
           cache-dependency-glob: |
             pyproject.toml
diff --git a/tox.ini b/tox.ini
index 910273a53c..c12fdbfb7d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -168,7 +168,7 @@ commands =
 [testenv:ruff]
 description = Run ruff for formatting and linting
 commands_pre =
-  uv tool install ruff@0.7.3
+  uv tool install ruff@0.8.1
 commands =
   uv tool run ruff format
   uv tool run ruff check --fix