diff --git a/requirements.txt b/requirements.txt
index d146341..e29e75f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ python-jose>=3.3.0    # JWT implementation for authentication
 pytest>=6.2.5         # Testing framework for unit and integration tests
 requests>=2.32.2      # HTTP library for demo script 
 email-validator>=1.1.3 
-python-multipart>=0.0.2
+python-multipart>=0.0.22
 prometheus-fastapi-instrumentator>=1.0.0
 hvac>=1.1.0          # HashiCorp Vault client
 pika>=1.3.0          # RabbitMQ client for Python
@@ -20,3 +20,4 @@ matplotlib>=3.5.1    # Visualization library for DID and credential graphics
 pillow>=10.3.0        # Python Imaging Library for enhanced visuals
 fonttools>=4.43.0 # not directly required, pinned by Snyk to avoid a vulnerability
 numpy>=1.22.2 # not directly required, pinned by Snyk to avoid a vulnerability
+protobuf>=6.33.5 # not directly required, pinned by Snyk to avoid a vulnerability