diff --git a/.github/workflows/tox.yaml b/.github/workflows/tox.yaml
index 65c1f7f7..ca3e4be6 100644
--- a/.github/workflows/tox.yaml
+++ b/.github/workflows/tox.yaml
@@ -69,6 +69,13 @@ jobs:
     needs: build
     steps:
     - uses: actions/checkout@v1
+    - name: Free Disk Space (Ubuntu)
+      uses: jlumbroso/free-disk-space@main
+      with:
+        tool-cache: false
+        large-packages: false
+        docker-images: false
+        swap-storage: false
     - name: Install dependencies
       run: |
         set -euxo pipefail
@@ -110,7 +117,7 @@ jobs:
         juju-crashdump -m $model -o logs/
     - name: upload logs on failure
       if: failure()
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         name: test-run-logs-and-crashdump
         path: logs/
diff --git a/requirements.txt b/requirements.txt
index 9668b535..9e0cde38 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,3 +35,7 @@ sphinx
 sphinxcontrib-asyncio
 # https://github.com/go-macaroon-bakery/py-macaroon-bakery/issues/94
 macaroonbakery!=1.3.3
+
+# NOTE(freyes): Set upper bound for websockets until libjuju is compatible with
+# newer versions. See https://github.com/juju/python-libjuju/pull/1208
+websockets<13.0.0
diff --git a/setup.py b/setup.py
index 2ce65a1b..91739dda 100644
--- a/setup.py
+++ b/setup.py
@@ -43,6 +43,9 @@
 
     # https://github.com/go-macaroon-bakery/py-macaroon-bakery/issues/94
     'macaroonbakery != 1.3.3',
+    # NOTE(freyes): Set upper bound for websockets until libjuju is compatible
+    # with newer versions. See https://github.com/juju/python-libjuju/pull/1208
+    'websockets<13.0.0',
 ]
 if os.environ.get("TEST_JUJU3"):
     install_require.append('juju')
diff --git a/test-requirements.txt b/test-requirements.txt
index 3c66eb3d..5557c6f9 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -16,6 +16,10 @@ keystoneauth1
 oslo.config
 python-novaclient
 tenacity>8.2.0
+# NOTE(freyes): Set upper bound for websockets until libjuju is compatible with
+# newer versions. See https://github.com/juju/python-libjuju/pull/1208
+websockets<13.0.0
+
 # To force the installation of an specific version of libjuju use a constraints
 # file, e.g.: `env PIP_CONSTRAINTS=./constraints-juju31.txt tox -e func-target`
 juju