diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 40de7b13..37b082f8 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -11,14 +11,13 @@ jobs:
         os: [ubuntu-22.04]
     steps:
     - name: Checkout git repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
         path: main
+        submodules: 'true'
     - name: Preparations
       working-directory: main
       run: |
-        # The 'submodules' option for actions/checkout@v2 doesn't
-        # seem to work. So we manually sync it just in case.
         git submodule init
         git submodule update
         sudo apt update
diff --git a/.github/workflows/development.yml b/.github/workflows/development.yml
index fa9f8eda..12cb05e9 100644
--- a/.github/workflows/development.yml
+++ b/.github/workflows/development.yml
@@ -15,14 +15,13 @@ jobs:
         os: [ubuntu-20.04, ubuntu-22.04]
     steps:
     - name: Checkout git repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
         path: main
+        submodules: 'true'
     - name: Preparations
       working-directory: main
       run: |
-        # The 'submodules' option for actions/checkout@v2 doesn't
-        # seem to work. So we manually sync it just in case.
         git submodule init
         git submodule update
         sudo apt update
diff --git a/.github/workflows/development_macos.yml b/.github/workflows/development_macos.yml
index 80c5eb9f..cd498b9d 100644
--- a/.github/workflows/development_macos.yml
+++ b/.github/workflows/development_macos.yml
@@ -15,14 +15,13 @@ jobs:
         os: [macos-11]
     steps:
     - name: Checkout git repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
         path: main
+        submodules: 'true'
     - name: Preparations
       working-directory: main
       run: |
-        # The 'submodules' option for actions/checkout@v2 doesn't
-        # seem to work. So we manually sync it just in case.
         git submodule init
         git submodule update
         brew install cmake ninja gcc p7zip
diff --git a/.github/workflows/fuzz-coverage.yml b/.github/workflows/fuzz-coverage.yml
index 08c59da9..e5acef4f 100644
--- a/.github/workflows/fuzz-coverage.yml
+++ b/.github/workflows/fuzz-coverage.yml
@@ -11,14 +11,13 @@ jobs:
         os: [ubuntu-22.04]
     steps:
     - name: Checkout git repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
         path: main
+        submodules: 'true'
     - name: Preparations
       working-directory: main
       run: |
-        # The 'submodules' option for actions/checkout@v2 doesn't
-        # seem to work. So we manually sync it just in case.
         git submodule init
         git submodule update
         sudo apt update
diff --git a/.github/workflows/manually_release.yml b/.github/workflows/manually_release.yml
index 1226fb61..b4fbe21c 100644
--- a/.github/workflows/manually_release.yml
+++ b/.github/workflows/manually_release.yml
@@ -13,14 +13,18 @@ jobs:
       contents: write
     steps:
     - name: Checkout git repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
         path: main
         submodules: 'true'
     - name: Build zips & 7zs
-      run: python main/compiler/scripts/manual_release.py
+      run: |
+        echo "Running manual release"
+        pwd
+        git rev-parse HEAD
+        python main/compiler/scripts/manual_release.py
     - name: Release
-      uses: softprops/action-gh-release@v1
+      uses: softprops/action-gh-release@v2
       with:
         files: |
           main/compiler/comp_output_test/yaksha_v*.7z
@@ -39,14 +43,18 @@ jobs:
       - name: Install software
         run: brew install cmake ninja gcc p7zip
       - name: Checkout git repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           path: main
           submodules: 'true'
       - name: Build zips & 7zs
-        run: python main/compiler/scripts/manual_release.py
+        run: |
+          echo "Running manual release"
+          pwd
+          git rev-parse HEAD
+          python main/compiler/scripts/manual_release.py
       - name: Release
-        uses: softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@v2
         with:
           files: |
             main/compiler/comp_output_test/yaksha_v*.7z
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 668d1fba..2435f137 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,14 +16,14 @@ jobs:
       contents: write
     steps:
     - name: Checkout git repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
         path: main
         submodules: 'true'
     - name: Build zips & 7zs
       run: python main/compiler/scripts/release.py
     - name: Release
-      uses: softprops/action-gh-release@v1
+      uses: softprops/action-gh-release@v2
       with:
         files: |
           main/compiler/comp_output_test/yaksha_v*.7z
diff --git a/.github/workflows/release_macos.yml b/.github/workflows/release_macos.yml
index 1096ff01..57d00b5b 100644
--- a/.github/workflows/release_macos.yml
+++ b/.github/workflows/release_macos.yml
@@ -18,14 +18,14 @@ jobs:
     - name: Install software
       run: brew install cmake ninja gcc p7zip
     - name: Checkout git repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
         path: main
         submodules: 'true'
     - name: Build zips & 7zs
       run: python main/compiler/scripts/release.py
     - name: Release
-      uses: softprops/action-gh-release@v1
+      uses: softprops/action-gh-release@v2
       with:
         files: |
           main/compiler/comp_output_test/yaksha_v*.7z