diff --git a/.github/actions/code-quality/action.yaml b/.github/actions/code-quality/action.yaml
index f4d36ce..cf7082b 100644
--- a/.github/actions/code-quality/action.yaml
+++ b/.github/actions/code-quality/action.yaml
@@ -17,8 +17,9 @@ runs:
     shell: bash
     run: |
       set -ex
-      python -m pip install --upgrade pip wheel
-      python -m pip install --upgrade .${{ inputs.pip_deps }}
+      pip install uv
+      uv pip install --upgrade --system pip wheel
+      uv pip install --system .${{ inputs.pip_deps }}
   - name: Run checks
     shell: bash
     run: |
diff --git a/.github/actions/coverage/action.yaml b/.github/actions/coverage/action.yaml
index 38e76aa..ba9a1b7 100644
--- a/.github/actions/coverage/action.yaml
+++ b/.github/actions/coverage/action.yaml
@@ -6,12 +6,16 @@ inputs:
 runs:
   using: composite
   steps:
+  - uses: actions/setup-python@v4
+    with:
+      python-version: "3.11"
   - name: Setup
     shell: bash
     run: |
       set -ex
-      python -m pip install --upgrade pip wheel
-      pip install coverage[toml]==6.5.0
+      pip install uv
+      uv pip install --upgrade --system pip wheel
+      uv pip install --system coverage[toml]==6.5.0
   - name: Download artifacts
     uses: actions/download-artifact@v3
     with:
diff --git a/.github/actions/pytest-cpu/action.yaml b/.github/actions/pytest-cpu/action.yaml
index 92842a1..c55cdd9 100644
--- a/.github/actions/pytest-cpu/action.yaml
+++ b/.github/actions/pytest-cpu/action.yaml
@@ -71,8 +71,9 @@ runs:
       set -ex
       export PATH=/composer-python:$PATH
       export COMPOSER_PACKAGE_NAME='${{ inputs.composer_package_name }}'
-      python -m pip install --upgrade pip wheel
-      python -m pip install --upgrade .${{ inputs.pip_deps }}
+      pip install uv
+      uv pip install --system --upgrade pip wheel
+      uv pip install --system .${{ inputs.pip_deps }}
   - name: Run Tests
     id: tests
     shell: bash
@@ -102,4 +103,5 @@ runs:
   - uses: actions/upload-artifact@v3
     with:
       name: coverage-${{ github.sha }}-${{ inputs.name }}
+      include-hidden-files: true
       path: .coverage
diff --git a/.github/actions/pytest-gpu/action.yaml b/.github/actions/pytest-gpu/action.yaml
index fd276c2..af23b19 100644
--- a/.github/actions/pytest-gpu/action.yaml
+++ b/.github/actions/pytest-gpu/action.yaml
@@ -85,7 +85,8 @@ runs:
       shell: bash
       run: |
         set -ex
-        python -m pip install mosaicml-cli
+        pip install uv
+        uv pip install --system mosaicml-cli
         mcli version
     - name: Submit Run
       id: tests
diff --git a/.github/actions/smoketest/action.yaml b/.github/actions/smoketest/action.yaml
index 43b2727..9377d22 100644
--- a/.github/actions/smoketest/action.yaml
+++ b/.github/actions/smoketest/action.yaml
@@ -13,9 +13,10 @@ runs:
     shell: bash
     run: |
       set -ex
-      python -m pip install --upgrade pip wheel
-      python -m pip install --upgrade .
-      python -m pip install pytest==7.2.1 pytest_codeblocks==0.16.1
+      pip install uv
+      uv pip install --upgrade --system pip wheel
+      uv pip install --system .
+      uv pip install --system pytest==7.2.1 pytest_codeblocks==0.16.1
   - name: Run checks
     shell: bash
     run: |
diff --git a/.github/mcli/mcli_pytest.py b/.github/mcli/mcli_pytest.py
index d8b11cd..73f93e4 100644
--- a/.github/mcli/mcli_pytest.py
+++ b/.github/mcli/mcli_pytest.py
@@ -64,7 +64,9 @@
 
     export COMPOSER_PACKAGE_NAME='{args.pip_package_name}'
 
-    pip install --upgrade --user .{args.pip_deps}
+    pip install uv
+
+    uv pip install --system --no-build-isolation .{args.pip_deps}
 
     export COMMON_ARGS="-v --durations=20 -m '{args.pytest_markers}' {clear_tmp_path_flag}"
     '''