diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index b856a89f66d82..c91c26106055b 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -177,6 +177,9 @@ jobs:
       run: |
         source ./dev/install-common-deps.sh
     - name: Run tests
+      env:
+        # Fix for https://github.com/mlflow/mlflow/issues/4229
+        SPARK_LOCAL_IP: 127.0.0.1
       run: |
         export PATH="$CONDA_DIR/bin:$PATH"
         source activate test-environment
@@ -198,6 +201,8 @@ jobs:
       run: |
         source ./dev/install-common-deps.sh
     - name: Run tests
+      env:
+        SPARK_LOCAL_IP: 127.0.0.1
       run: |
         export PATH="$CONDA_DIR/bin:$PATH"
         source activate test-environment
@@ -256,6 +261,8 @@ jobs:
         run: |
           source ./dev/install-common-deps.sh
       - name: Run tests
+        env:
+          SPARK_LOCAL_IP: 127.0.0.1
         run: |
           export PATH="$CONDA_DIR/bin:$PATH"
           source activate test-environment
@@ -295,6 +302,8 @@ jobs:
         run: |
           source ./dev/install-common-deps.sh
       - name: Run tests
+        env:
+          SPARK_LOCAL_IP: 127.0.0.1
         run: |
           export PATH="$CONDA_DIR/bin:$PATH"
           source activate test-environment
@@ -314,6 +323,8 @@ jobs:
         run: |
           source ./dev/install-common-deps.sh
       - name: Run tests
+        env:
+          SPARK_LOCAL_IP: 127.0.0.1
         run: |
           export PATH="$CONDA_DIR/bin:$PATH"
           source activate test-environment