diff --git a/auto_subtitle/utils/ffmpeg.py b/auto_subtitle/utils/ffmpeg.py
index 7e4e6f2..5ad0957 100644
--- a/auto_subtitle/utils/ffmpeg.py
+++ b/auto_subtitle/utils/ffmpeg.py
@@ -108,7 +108,7 @@ def hard_subtitles(input_path: str, output_path: str,
         force_style="OutlineColour=&H40000000,BorderStyle=3")
 
     if translated.tmp_file is not None:
-        intermediate.filter(
+        intermediate = intermediate.filter(
             'subtitles', translated.tmp_file_path,
             force_style="OutlineColour=&H40000000,BorderStyle=3,Alignment=6")
     ffmpeg.concat(
diff --git a/requirements.txt b/requirements.txt
index 07456b2..55f0439 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,12 +1,13 @@
-faster-whisper==1.0.2
+faster-whisper==1.0.3
 tqdm==4.66.4
 ffmpeg-python==0.2.0
 langcodes==3.3.0
 transformers>=4.4,<5
-torch>=1.6.0
+torch>=1.6.0,<=2.3.1
 numpy>=1.24.2,<=1.26.4
-nltk
-sentencepiece
-protobuf
+nltk<=3.8.1
+sentencepiece<=0.2.0
+protobuf<=5.27.2
+huggingface_hub<=0.23.5
 # this package should be installed with `pip install --no-deps EasyNMT==2.0.2`
 # EasyNMT==2.0.2
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 7dac23d..f6992a4 100644
--- a/setup.py
+++ b/setup.py
@@ -7,20 +7,21 @@
     py_modules=["auto_subtitle"],
     author="Sergey Chernyaev",
     install_requires=[
-        'faster-whisper==1.0.2',
+        'faster-whisper==1.0.3',
         'tqdm==4.66.4',
         'ffmpeg-python==0.2.0',
         'langcodes==3.3.0',
         'transformers>=4.4,<5',
-        'torch>=1.6.0',
+        'torch>=1.6.0,<=2.3.1',
         'numpy>=1.24.2,<=1.26.4',
-        'nltk',
-        'sentencepiece',
-        'protobuf',
+        'nltk<=3.8.1',
+        'sentencepiece<=0.2.0',
+        'protobuf<=5.27.2',
+        'huggingface_hub<=0.23.5',
     ],
     description="Automatically generate and embed subtitles into your videos",
     entry_points={
         'console_scripts': ['faster_auto_subtitle=auto_subtitle.cli:main'],
     },
     include_package_data=True,
-)
+)
\ No newline at end of file