diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e7c64a8..bc917fa 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,9 +2,9 @@ name: CI
 
 on:
   push:
-    branches: [ "main", "master"]
+    branches: [ "main", "master", 'dev']
   pull_request:
-    branches: [ "main", "master"]
+    branches: [ "main", "master", 'dev']
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -40,7 +40,7 @@ jobs:
           mkdir -p video
           echo "Downloading sample video..."
           # Using a reliable test video source (Big Buck Bunny stable link)
-          curl -L -o video/test.mp4 https://test-videos.co.uk/vids/bigbuckbunny/mp4/av1/1080/Big_Buck_Bunny_1080_10s_5MB.mp4
+          curl -L -o video/test.mp4 https://test-videos.co.uk/vids/bigbuckbunny/mp4/h264/1080/Big_Buck_Bunny_1080_10s_5MB.mp4
           ls -lh video/
 
       # 4. Run the Test Script
diff --git a/test/ffmpeg.test.sh b/test/ffmpeg.test.sh
index e5fcd27..df6c028 100644
--- a/test/ffmpeg.test.sh
+++ b/test/ffmpeg.test.sh
@@ -113,6 +113,7 @@ run_transcode_test() {
 
     # Prepare output directory
     mkdir -p "${OUTPUT_DIR}"
+    chmod 777 "${OUTPUT_DIR}"
     rm -f "${output_file}"
 
     log_info "Starting transcoding process (Memory Limit: ${CONTAINER_MEM_LIMIT})..."
@@ -159,6 +160,7 @@ run_hls_test() {
     local hls_root="${OUTPUT_DIR}/hls"
     rm -rf "${hls_root}"
     mkdir -p "${hls_root}"/{360p,720p,1080p}
+    chmod -R 777 "${hls_root}"
 
     # Define common options to reduce repetition
     local docker_opts="--rm --memory=${CONTAINER_MEM_LIMIT} --cpus=${CONTAINER_CPU_LIMIT} -v $(pwd)/${VIDEO_DIR}:/input:ro -v $(pwd)/${OUTPUT_DIR}/hls:/output"