Update requirements.txt

requirements.txt

@@ -1,8 +1,8 @@
-gradio>=5.20.1
-pymupdf>=1.24.10
-requests>=2.32.3
-python-dotenv>=1.1.0
-markitdown[pdf]>=0.1.1
-pillow>=10.4.0
-ollama>=0.4.7
-tqdm>=4.67.0
+gradio==5.20.1
+pymupdf==1.24.10
+requests==2.32.3
+python-dotenv==1.1.0
+markitdown[pdf]==0.1.1
+pillow==10.4.0
+ollama==0.4.7
+tqdm==4.67.0