diff --git a/.github/workflows/tests-pypi.yml b/.github/workflows/tests-pypi.yml
index d4baa3ee3..67976aa88 100644
--- a/.github/workflows/tests-pypi.yml
+++ b/.github/workflows/tests-pypi.yml
@@ -65,6 +65,9 @@ jobs:
               dep = dep.split(';')[0]
               if 'siphon' not in dep:
                 out.write(dep.replace('>=', '==') + '\n')
+            # Needed until vcrpy >=6.0.2 comes out with support for urllib3>=2.3
+            if fname == 'requirements.txt':
+              out.write('urllib3==2.2.3\n')
         EOF
 
     - name: Install from PyPI
diff --git a/ci/requirements.txt b/ci/requirements.txt
index 482196837..7facc97cb 100644
--- a/ci/requirements.txt
+++ b/ci/requirements.txt
@@ -3,3 +3,4 @@ numpy==2.2.0
 pandas==2.2.3
 protobuf==5.28.3
 requests==2.32.3
+urllib3==2.2.3