diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 93259abf0..797c20a87 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -62,7 +62,7 @@ jobs:
           path: .venv
           key:
             docsvenv-${{ matrix.os }}-py${{matrix.python-version}}-${{
-            hashFiles('**/poetry.lock') }}
+            hashFiles('**/pyproject.toml') }}
 
       - name: Install dependencies
         if: (steps.cached-poetry-dependencies.outputs.cache-hit != 'true')
diff --git a/.github/workflows/test-braindecode.yml b/.github/workflows/test-braindecode.yml
index a6d89c121..481d6dbd0 100644
--- a/.github/workflows/test-braindecode.yml
+++ b/.github/workflows/test-braindecode.yml
@@ -63,7 +63,7 @@ jobs:
           path: .venv
           key:
             testvenv-braindecode-${{ matrix.os }}-py${{matrix.python-version}}-${{
-            hashFiles('**/poetry.lock') }}
+            hashFiles('**/pyproject.toml') }}
 
       - name: Install dependencies
         if: |
diff --git a/.github/workflows/test-devel.yml b/.github/workflows/test-devel.yml
index bbc542d21..92160916a 100644
--- a/.github/workflows/test-devel.yml
+++ b/.github/workflows/test-devel.yml
@@ -56,7 +56,7 @@ jobs:
           path: .venv
           key:
             testvenv-${{ matrix.os }}-py${{matrix.python-version}}-${{
-            hashFiles('**/poetry.lock') }}
+            hashFiles('**/pyproject.toml') }}
 
       - name: Install dependencies
         if: |
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5d23fa0ac..5755f4c56 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -56,7 +56,7 @@ jobs:
           path: .venv
           key:
             testvenv-${{ matrix.os }}-py${{matrix.python-version}}-${{
-            hashFiles('**/poetry.lock') }}
+            hashFiles('**/pyproject.toml') }}
 
       - name: Install dependencies
         if: |