diff --git a/requirements.txt b/requirements.txt
index 1fbbeca..9570749 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ charset-normalizer~=3.4.2
 click~=8.1.8
 colorama~=0.4.6
 dataclasses-json~=0.6.3
-deepgram-sdk~=3.11.0
+deepgram-sdk~=4.7.0
 deprecation~=2.1.0
 distro~=1.9.0
 flake8~=7.1.2
diff --git a/setup.py b/setup.py
index 14c2c26..1df6145 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@
         'pyaudio~=0.2.14',
         'pydub~=0.25.1',
         'python-dotenv~=1.1.0',
-        'deepgram-sdk~=3.11.0',
+        'deepgram-sdk>=3.11,<4.8',
         'numpy~=2.2.4',
         'pytz~=2025.2',
         'soundfile~=0.13.1',