diff --git a/.github/workflows/building-wheels.yml b/.github/workflows/building-wheels.yml
index e63f8dd..b6f021b 100644
--- a/.github/workflows/building-wheels.yml
+++ b/.github/workflows/building-wheels.yml
@@ -9,8 +9,8 @@ on:
 jobs:
   build-wheels:
     timeout-minutes: 60
-    runs-on: ubuntu-latest
-    container: docker.io/library/ubuntu:latest
+    runs-on: ubuntu-22.04
+    container: docker.io/library/ubuntu:22.04
 
     steps:
     - uses: actions/checkout@v2
@@ -18,7 +18,7 @@ jobs:
     - name: Install bazel
       run:  |
             apt-get update
-            apt-get install -yq wget gcc g++ python3.9 zlib1g-dev zip libuv1.dev
+            apt-get install -yq wget gcc g++ python3.10 zlib1g-dev zip libuv1.dev
             apt-get install -yq pip
 
     - name: Install dependencies
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 98475e0..4d4c0ce 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -9,8 +9,8 @@ on:
 jobs:
   lint:
     timeout-minutes: 10 # Lint should be done in 10 minutes.
-    runs-on: ubuntu-latest
-    container: docker.io/library/ubuntu:latest
+    runs-on: ubuntu-22.04
+    container: docker.io/library/ubuntu:22.04
 
     steps:
     - uses: actions/checkout@v2
@@ -18,7 +18,7 @@ jobs:
     - name: Install bazel
       run:  |
             apt-get update
-            apt-get install -yq wget gcc g++ python3.9 zlib1g-dev zip libuv1.dev
+            apt-get install -yq wget gcc g++ python3.10 zlib1g-dev zip libuv1.dev
             apt-get install -yq pip
 
     - name: Install dependencies
diff --git a/.github/workflows/pypi-nightly.yml b/.github/workflows/pypi-nightly.yml
index b7c133f..9f334e5 100644
--- a/.github/workflows/pypi-nightly.yml
+++ b/.github/workflows/pypi-nightly.yml
@@ -15,10 +15,10 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
-    - name: Set up Python 3.9
+    - name: Set up Python 3.10
       uses: actions/setup-python@v1
       with:
-        python-version: 3.9
+        python-version: 3.10
 
     - name: days since the commit date
       run: |
diff --git a/.github/workflows/test_on_ray1.13.0.yml b/.github/workflows/test_on_ray1.13.0.yml
index aab1dcb..39ad66f 100644
--- a/.github/workflows/test_on_ray1.13.0.yml
+++ b/.github/workflows/test_on_ray1.13.0.yml
@@ -9,8 +9,8 @@ on:
 jobs:
   run-unit-tests:
     timeout-minutes: 60
-    runs-on: ubuntu-latest
-    container: docker.io/library/ubuntu:latest
+    runs-on: ubuntu-22.04
+    container: docker.io/library/ubuntu:22.04
 
     steps:
     - uses: actions/checkout@v2
@@ -18,7 +18,7 @@ jobs:
     - name: Install bazel
       run:  |
             apt-get update
-            apt-get install -yq wget gcc g++ python3.9 zlib1g-dev zip libuv1.dev
+            apt-get install -yq wget gcc g++ python3.10 zlib1g-dev zip libuv1.dev
             apt-get install -yq pip
 
     - name: Install dependencies
diff --git a/.github/workflows/unit_tests_for_protobuf_matrix.yml b/.github/workflows/unit_tests_for_protobuf_matrix.yml
index 9707400..b5024b7 100644
--- a/.github/workflows/unit_tests_for_protobuf_matrix.yml
+++ b/.github/workflows/unit_tests_for_protobuf_matrix.yml
@@ -13,8 +13,8 @@ jobs:
           protobuf_ver: ["3.19", "3.20", "4.23"]
 
     timeout-minutes: 60
-    runs-on: ubuntu-latest
-    container: docker.io/library/ubuntu:latest
+    runs-on: ubuntu-22.04
+    container: docker.io/library/ubuntu:22.04
 
     steps:
     - uses: actions/checkout@v2
@@ -22,7 +22,7 @@ jobs:
     - name: Install basic dependencies
       run:  |
             apt-get update
-            apt-get install -yq wget gcc g++ python3.9 zlib1g-dev zip libuv1.dev
+            apt-get install -yq wget gcc g++ python3.10 zlib1g-dev zip libuv1.dev
             apt-get install -yq pip
 
     - name: Install python dependencies
diff --git a/.github/workflows/unit_tests_on_ray_matrix.yml b/.github/workflows/unit_tests_on_ray_matrix.yml
index 6c54124..42b2861 100644
--- a/.github/workflows/unit_tests_on_ray_matrix.yml
+++ b/.github/workflows/unit_tests_on_ray_matrix.yml
@@ -14,8 +14,8 @@ jobs:
         ray_version: [2.4.0, 2.5.1, 2.6.3, 2.7.1, 2.8.1, 2.9.0]
 
     timeout-minutes: 60
-    runs-on: ubuntu-latest
-    container: docker.io/library/ubuntu:latest
+    runs-on: ubuntu-22.04
+    container: docker.io/library/ubuntu:22.04
 
     steps:
     - uses: actions/checkout@v2
@@ -23,7 +23,7 @@ jobs:
     - name: Install basic dependencies
       run:  |
             apt-get update
-            apt-get install -yq wget gcc g++ python3.9 zlib1g-dev zip libuv1.dev
+            apt-get install -yq wget gcc g++ python3.10 zlib1g-dev zip libuv1.dev
             apt-get install -yq pip
 
     - name: Install python dependencies