diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8de14986..3bd2f601 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,12 +22,12 @@ jobs:
 
       - name: Upgrade pip
         run: |
-          pip install --constraint=.github/workflows/constraints.txt pip
+          pip install --constraint=${PWD}/.github/workflows/constraints.txt pip
           pip --version
 
       - name: Install Poetry
         run: |
-          pip install --constraint=.github/workflows/constraints.txt poetry
+          pip install --constraint=${PWD}/.github/workflows/constraints.txt poetry
           poetry --version
 
       - name: Check if there is a parent commit
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6aacd160..8bce2f93 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -45,7 +45,7 @@ jobs:
 
       - name: Upgrade pip
         run: |
-          pip install --constraint=.github/workflows/constraints.txt pip
+          pip install --constraint=${PWD}/.github/workflows/constraints.txt pip
           pip --version
 
       - name: Upgrade pip in virtual environments
@@ -59,13 +59,13 @@ jobs:
 
       - name: Install Poetry
         run: |
-          pipx install --pip-args=--constraint=.github/workflows/constraints.txt poetry
+          pipx install --pip-args=--constraint=${PWD}/.github/workflows/constraints.txt poetry
           poetry --version
 
       - name: Install Nox
         run: |
-          pipx install --pip-args=--constraint=.github/workflows/constraints.txt nox
-          pipx inject --pip-args=--constraint=.github/workflows/constraints.txt nox nox-poetry
+          pipx install --pip-args=--constraint=${PWD}/.github/workflows/constraints.txt nox
+          pipx inject --pip-args=--constraint=${PWD}/.github/workflows/constraints.txt nox nox-poetry
           nox --version
 
       - name: Install ghostscript
@@ -130,18 +130,18 @@ jobs:
 
       - name: Upgrade pip
         run: |
-          pip install --constraint=.github/workflows/constraints.txt pip
+          pip install --constraint=${PWD}/.github/workflows/constraints.txt pip
           pip --version
 
       - name: Install Poetry
         run: |
-          pipx install --pip-args=--constraint=.github/workflows/constraints.txt poetry
+          pipx install --pip-args=--constraint=${PWD}/.github/workflows/constraints.txt poetry
           poetry --version
 
       - name: Install Nox
         run: |
-          pipx install --pip-args=--constraint=.github/workflows/constraints.txt nox
-          pipx inject --pip-args=--constraint=.github/workflows/constraints.txt nox nox-poetry
+          pipx install --pip-args=--constraint=${PWD}/.github/workflows/constraints.txt nox
+          pipx inject --pip-args=--constraint=${PWD}/.github/workflows/constraints.txt nox nox-poetry
           nox --version
 
       - name: Download coverage data