diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index bfa6ef6..db56447 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -92,7 +92,10 @@ jobs:
           AWS_BUCKET: ${{ vars.AWS_BUCKET }}
           FILENAME: ${{ steps.filename.outputs.filename }}
         run: |
-          aws s3 cp ./ui-test.gif s3://${AWS_BUCKET}/${FILENAME} \
+          aws s3api put-object \
+            --bucket ${AWS_BUCKET} \
+            --key ${FILENAME} \
+            --body ./ui-test.gif \
             --tagging "expiration=90days&Source=github-actions&Type=pr-demo-video" \
             --acl public-read
       - name: Generate file URL
diff --git a/CI_CD.md b/CI_CD.md
index 2799e46..ffc3f4f 100644
--- a/CI_CD.md
+++ b/CI_CD.md
@@ -262,7 +262,7 @@ aws s3api get-bucket-lifecycle-configuration --bucket YOUR_BUCKET_NAME
   - `Source=github-actions` - Identifies source of upload
   - `Type=pr-demo-video` - Categorizes the object type
 - **S3 lifecycle rule**: Automatically deletes objects tagged with `expiration=90days` after 90 days
-- **Upload mechanism**: AWS CLI is installed via Python pip, authentication is configured via `aws-actions/configure-aws-credentials@v4` GitHub Action, then `aws s3 cp` is used with object tagging support
+- **Upload mechanism**: AWS CLI v2 is installed directly, authentication is configured via `aws-actions/configure-aws-credentials@v4` GitHub Action, then `aws s3api put-object` is used with object tagging support
 - **gh-pages video**: `video.mp4` in gh-pages branch is served from GitHub Pages, not S3, so it persists indefinitely
 
 #### Required AWS Credentials
@@ -278,7 +278,7 @@ The S3 bucket must have:
 - Object tagging enabled
 - Lifecycle policy configured as described above
 
-The workflow uses AWS CLI installed via Python pip and `aws-actions/configure-aws-credentials@v4` action for secure credential management.
+The workflow uses AWS CLI v2 installed directly and `aws-actions/configure-aws-credentials@v4` action for secure credential management.
 
 ## Troubleshooting