diff --git a/requestsexceptions/__init__.py b/requestsexceptions/__init__.py
index 6cb585c..c592548 100644
--- a/requestsexceptions/__init__.py
+++ b/requestsexceptions/__init__.py
@@ -38,11 +38,21 @@ except ImportError:
     except ImportError:
         SubjectAltNameWarning = None
 
+try:
+    from requests.packages.urllib3.exceptions import SNIMissingWarning
+except ImportError:
+    try:
+        from urllib3.exceptions import SNIMissingWarning
+    except ImportError:
+        SNIMissingWarning = None
+
 
 def squelch_warnings(insecure_requests=True):
     if SubjectAltNameWarning:
         warnings.filterwarnings('ignore', category=SubjectAltNameWarning)
     if InsecurePlatformWarning:
         warnings.filterwarnings('ignore', category=InsecurePlatformWarning)
+    if SNIMissingWarning:
+        warnings.filterwarnings('ignore', category=SNIMissingWarning)
     if insecure_requests and InsecureRequestWarning:
         warnings.filterwarnings('ignore', category=InsecureRequestWarning)