fix CVEs

 - upgrade pip
 - bump urllib3

Related-PRODX: PRODX-36644
Change-Id: Ib3a717cbaefef4f70a115cf9a8b5a6adf4799c59
diff --git a/Dockerfile b/Dockerfile
index a50dc92..c0ce628 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@
 
 WORKDIR /usr/src/app
 COPY requirements.txt /usr/src/app/
-RUN pip install -r requirements.txt
+RUN pip install --upgrade pip -r requirements.txt
 
 EXPOSE 9206