diff --git a/.github/workflows/ci_dockers.yml b/.github/workflows/ci_dockers.yml
index ce25c75869..3cf29dbeb9 100644
--- a/.github/workflows/ci_dockers.yml
+++ b/.github/workflows/ci_dockers.yml
@@ -35,7 +35,7 @@ jobs:
       fail-fast: false
       matrix:
         python_version: [3.7]
-        xla_version: [1.6, "nightly"]
+        xla_version: [1.6]  # todo: , "nightly"
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -56,7 +56,7 @@ jobs:
       matrix:
         include:
           - python_version: 3.7
-            pytorch_version: 1.7
+            pytorch_version: 1.8
             pytorch_channel: pytorch-nightly
           - python_version: 3.8
             pytorch_version: 1.6
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 549b844876..c48dc2df5f 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -42,7 +42,7 @@ jobs:
       fail-fast: false
       matrix:
         python_version: [3.6, 3.7]
-        xla_version: [1.6, "nightly"]
+        xla_version: [1.6]  # todo: , "nightly"
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -65,7 +65,7 @@ jobs:
       fail-fast: false
       matrix:
         python_version: [3.6, 3.7, 3.8]
-        pytorch_version: [1.3, 1.4, 1.5, 1.6, 1.7]
+        pytorch_version: [1.3, 1.4, 1.5, 1.6]  # todo: , 1.7
         pytorch_channel: ["pytorch", "pytorch-nightly"]
         # https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#example-including-new-combinations
         exclude: