diff --git a/.github/workflows/bump-version.yml b/.github/workflows/bump-version.yml
index 6640b0e917..93650f2f71 100644
--- a/.github/workflows/bump-version.yml
+++ b/.github/workflows/bump-version.yml
@@ -204,6 +204,7 @@ jobs:
 
     - name: Install Python dependencies
       run: |
+        python -m pip install uv
         python -m uv pip install --upgrade pip setuptools wheel
         python -m uv pip install tbump
         python -m pip list
diff --git a/.github/workflows/ci-windows.yml b/.github/workflows/ci-windows.yml
index 542cfdfe3a..9822ca86b8 100644
--- a/.github/workflows/ci-windows.yml
+++ b/.github/workflows/ci-windows.yml
@@ -29,6 +29,7 @@ jobs:
 
     - name: Install dependencies
       run: |
+        python -m pip install uv
         python -m uv pip install --upgrade pip setuptools wheel
         python -m uv pip install --upgrade '.[all,test]'
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 19b51b8c33..bb3c686b28 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,6 +42,7 @@ jobs:
 
     - name: Install dependencies
       run: |
+        python -m pip install uv
         python -m uv pip install --upgrade pip setuptools wheel
         python -m uv pip install --upgrade ".[all,test]"
 
diff --git a/.github/workflows/dependencies-head.yml b/.github/workflows/dependencies-head.yml
index e6117832e8..4a07a89c42 100644
--- a/.github/workflows/dependencies-head.yml
+++ b/.github/workflows/dependencies-head.yml
@@ -89,6 +89,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
+        python -m pip install uv
         python -m uv pip install --upgrade pip setuptools wheel
         python -m uv pip --no-cache-dir --quiet install --upgrade ".[all,test]"
         python -m uv pip uninstall --yes iminuit
@@ -115,6 +116,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
+        python -m pip install uv
         python -m uv pip install --upgrade pip setuptools wheel
         python -m uv pip --no-cache-dir --quiet install --upgrade ".[all,test]"
         python -m uv pip uninstall --yes uproot
@@ -142,6 +144,7 @@ jobs:
 
     - name: Install dependencies
       run: |
+        python -m pip install uv
         python -m uv pip install --upgrade pip setuptools wheel
         python -m uv pip --no-cache-dir --quiet install --upgrade ".[all,test]"
         python -m uv pip uninstall --yes matplotlib
@@ -177,6 +180,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
+        python -m pip install uv
         python -m uv pip install --upgrade pip setuptools wheel
         python -m uv pip --no-cache-dir --quiet install --upgrade ".[all,test]"
         python -m uv pip uninstall --yes pytest
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 24b92bd26f..ba7f5caff6 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -28,8 +28,9 @@ jobs:
 
     - name: Install Python dependencies
       run: |
+        python -m pip install uv
         python -m uv pip install --upgrade pip setuptools wheel
-        python -m pip --quiet install --upgrade .[docs,test]
+        python -m uv pip --quiet install --upgrade .[docs,test]
         python -m uv pip install yq
         python -m pip list
 
diff --git a/.github/workflows/lower-bound-requirements.yml b/.github/workflows/lower-bound-requirements.yml
index 1166fb2647..6b557b4020 100644
--- a/.github/workflows/lower-bound-requirements.yml
+++ b/.github/workflows/lower-bound-requirements.yml
@@ -26,8 +26,9 @@ jobs:
 
     - name: Install dependencies and force lowest bound
       run: |
+        python -m pip install uv
         python -m uv pip install --upgrade pip setuptools wheel
-        python -m pip --no-cache-dir install --constraint tests/constraints.txt ".[all,test]"
+        python -m uv pip --no-cache-dir install --constraint tests/constraints.txt ".[all,test]"
 
     - name: List installed Python packages
       run: python -m pip list
diff --git a/.github/workflows/notebooks.yml b/.github/workflows/notebooks.yml
index f98e27f387..432a4dfdf5 100644
--- a/.github/workflows/notebooks.yml
+++ b/.github/workflows/notebooks.yml
@@ -28,6 +28,7 @@ jobs:
 
     - name: Install dependencies
       run: |
+        python -m pip install uv
         python -m uv pip install --upgrade pip setuptools wheel
         # FIXME: c.f. https://github.com/scikit-hep/pyhf/issues/2104
         python -m uv pip install --upgrade ".[all,test]" 'jupyter-client<8.0.0'
diff --git a/.github/workflows/publish-package.yml b/.github/workflows/publish-package.yml
index 90652a1c73..3e5b72e686 100644
--- a/.github/workflows/publish-package.yml
+++ b/.github/workflows/publish-package.yml
@@ -43,6 +43,7 @@ jobs:
 
     - name: Install python-build and twine
       run: |
+        python -m pip install uv
         python -m uv pip install --upgrade pip
         python -m uv pip install build twine
         python -m pip list
diff --git a/.github/workflows/release_tests.yml b/.github/workflows/release_tests.yml
index f351690053..0cdbce7b73 100644
--- a/.github/workflows/release_tests.yml
+++ b/.github/workflows/release_tests.yml
@@ -33,6 +33,7 @@ jobs:
 
     - name: Install from PyPI
       run: |
+        python -m pip install uv
         python -m uv pip install --upgrade pip setuptools wheel
         python -m uv pip install --pre pyhf[backends,xmlio]
         python -m uv pip install pytest