diff --git a/.github/workflows/framework-tests.yaml b/.github/workflows/framework-tests.yaml
index 1e0bdbc51..9d5e6ef08 100644
--- a/.github/workflows/framework-tests.yaml
+++ b/.github/workflows/framework-tests.yaml
@@ -12,7 +12,7 @@ jobs:
         uses: actions/setup-python@v2
 
       - name: Install tox
-        run: pip install tox==4.2.8
+        run: pip install tox
 
       - name: Run linting
         run: tox -e lint
@@ -26,7 +26,7 @@ jobs:
         uses: actions/setup-python@v2
 
       - name: Install tox
-        run: pip install tox==4.2.8
+        run: pip install tox
 
       - name: Run static type checks
         run: tox -e static
@@ -47,7 +47,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install tox
-        run: pip install tox==4.2.8
+        run: pip install tox
 
       - name: Run unit tests
         run: tox -e unit
@@ -73,7 +73,7 @@ jobs:
           go-version: "1.17"
 
       - name: Install tox
-        run: pip install tox==4.2.8
+        run: pip install tox
 
       - name: Install Pebble
         run: go install github.com/canonical/pebble/cmd/pebble@latest
diff --git a/.github/workflows/observability-charm-tests.yaml b/.github/workflows/observability-charm-tests.yaml
index e5690a9e6..87e2c9a59 100644
--- a/.github/workflows/observability-charm-tests.yaml
+++ b/.github/workflows/observability-charm-tests.yaml
@@ -26,7 +26,7 @@ jobs:
           echo -e "\ngit+$GITHUB_SERVER_URL/$GITHUB_REPOSITORY@$GITHUB_SHA#egg=ops" >> requirements.txt
 
       - name: Install dependencies
-        run: pip install tox==4.2.8
+        run: pip install tox
 
       - name: Run the charm tests
         run: tox -vve unit