diff --git a/tox.ini b/tox.ini
index 918e99f7c..abb1355be 100644
--- a/tox.ini
+++ b/tox.ini
@@ -79,6 +79,10 @@ envlist =
     py3{4,5,6,7,8}-test-ext-pymysql
     pypy3-test-ext-pymysql
 
+    ; opentelemetry-ext-asgi
+    py3{5,6,7,8}-test-ext-asgi
+    pypy3-test-ext-asgi
+
     ; opentelemetry-ext-sqlite3
     py3{4,5,6,7,8}-test-ext-sqlite3
     pypy3-test-ext-sqlite3
@@ -148,6 +152,7 @@ changedir =
   test-ext-pymongo: ext/opentelemetry-ext-pymongo/tests
   test-ext-psycopg2: ext/opentelemetry-ext-psycopg2/tests
   test-ext-pymysql: ext/opentelemetry-ext-pymysql/tests
+  test-ext-asgi: ext/opentelemetry-ext-asgi/tests
   test-ext-sqlite3: ext/opentelemetry-ext-sqlite3/tests
   test-ext-wsgi: ext/opentelemetry-ext-wsgi/tests
   test-ext-zipkin: ext/opentelemetry-ext-zipkin/tests
@@ -173,9 +178,10 @@ commands_pre =
 
   grpc: pip install {toxinidir}/ext/opentelemetry-ext-grpc[test]
 
-  wsgi,flask,django: pip install {toxinidir}/tests/util
+  wsgi,flask,django,asgi: pip install {toxinidir}/tests/util
   wsgi,flask,django: pip install {toxinidir}/ext/opentelemetry-ext-wsgi
   flask,django: pip install {toxinidir}/opentelemetry-auto-instrumentation
+  asgi: pip install {toxinidir}/ext/opentelemetry-ext-asgi
   flask: pip install {toxinidir}/ext/opentelemetry-ext-flask[test]
 
   dbapi: pip install {toxinidir}/ext/opentelemetry-ext-dbapi[test]