diff --git a/.github/workflows/release_rpms.yml b/.github/workflows/release_rpms.yml
index 450ff7c4..92b219ec 100644
--- a/.github/workflows/release_rpms.yml
+++ b/.github/workflows/release_rpms.yml
@@ -126,7 +126,7 @@ jobs:
         env:
           AUTOCREATE_RELEASE: ${{ github.event.inputs.autocreate_release }}
           PREBUILD_TAG: ${{ steps.validate-inputs.outputs.prebuild_suffix }}
-        uses: actions/github-script@v6
+        uses: actions/github-script@v8
         with:
           github-token: ${{ github.event.inputs.target_repo_token || secrets.GITHUB_TOKEN }}
           script: |
@@ -259,7 +259,7 @@ jobs:
 
       - name: "Wipe all previous assets from GitHub Release (when clean == 'yes')"
         if: ${{ github.event.inputs.clean == 'yes' && github.event.inputs.dry_run != 'yes' }}
-        uses: actions/github-script@v6
+        uses: actions/github-script@v8
         env:
           release_id:  ${{ steps.release-api.outputs.id }}
         with:
@@ -278,7 +278,7 @@ jobs:
 
       - name: "Upload RPM file(s) to GitHub Release (dry_run != 'yes')"
         if: ${{ github.event.inputs.dry_run != 'yes' }}
-        uses: actions/github-script@v6
+        uses: actions/github-script@v8
         env:
           rpm_file_paths: ${{ steps.build-and-sign-rpm.outputs.rpm_file_paths }}
           rpm_gpg_file: ${{ steps.build-and-sign-rpm.outputs.rpm_gpg_file }}
diff --git a/.github/workflows/tag_deploy_rubygem__github-rpms.yml b/.github/workflows/tag_deploy_rubygem__github-rpms.yml
index 924c54a1..c7674d1c 100644
--- a/.github/workflows/tag_deploy_rubygem__github-rpms.yml
+++ b/.github/workflows/tag_deploy_rubygem__github-rpms.yml
@@ -180,7 +180,7 @@ jobs:
           - centos8
     steps:
       - name: Trigger RPM release workflow (${{ matrix.os }})
-        uses: actions/github-script@v6
+        uses: actions/github-script@v8
         env:
           DEFAULT_BRANCH: ${{ github.event.repository.default_branch }}
           TARGET_TAG: ${{ needs.create-github-release.outputs.tag }}
diff --git a/spec/lib/simp/cli/commands/kv/get_spec.rb b/spec/lib/simp/cli/commands/kv/get_spec.rb
index 2dff8a79..cb98b103 100644
--- a/spec/lib/simp/cli/commands/kv/get_spec.rb
+++ b/spec/lib/simp/cli/commands/kv/get_spec.rb
@@ -63,8 +63,7 @@
           {
             "key1": {
               "value": 1,
-              "metadata": {
-              }
+              "metadata": {}
             },
             "key2": {
               "value": true,
@@ -77,8 +76,7 @@
                 "hello",
                 "world"
               ],
-              "metadata": {
-              }
+              "metadata": {}
             },
             "key4": {
               "value": {
@@ -123,8 +121,7 @@
           {
             "key1": {
               "value": 1,
-              "metadata": {
-              }
+              "metadata": {}
             },
             "key4": {
               "value": {
@@ -158,8 +155,7 @@
           {
             "key1": {
               "value": 1,
-              "metadata": {
-              }
+              "metadata": {}
             }
           }
         EOM
diff --git a/spec/lib/simp/cli/commands/kv/list_spec.rb b/spec/lib/simp/cli/commands/kv/list_spec.rb
index 7ac24e07..15e72df6 100644
--- a/spec/lib/simp/cli/commands/kv/list_spec.rb
+++ b/spec/lib/simp/cli/commands/kv/list_spec.rb
@@ -96,9 +96,7 @@
               ]
             },
             "folder2": {
-              "keys": [
-
-              ],
+              "keys": [],
               "folders": [
                 "sub2_1",
                 "sub2_2"
@@ -109,17 +107,11 @@
                 "key3_1",
                 "key3_2"
               ],
-              "folders": [
-
-              ]
+              "folders": []
             },
             "folder4": {
-              "keys": [
-
-              ],
-              "folders": [
-
-              ]
+              "keys": [],
+              "folders": []
             }
           }
         EOM
@@ -164,12 +156,8 @@
               ]
             },
             "folder4": {
-              "keys": [
-
-              ],
-              "folders": [
-
-              ]
+              "keys": [],
+              "folders": []
             }
           }
         EOM
@@ -231,8 +219,7 @@
               "keys": {
                 "key1_1": {
                   "value": 1,
-                  "metadata": {
-                  }
+                  "metadata": {}
                 },
                 "key1_2": {
                   "value": true,