diff --git a/dev-requirements.txt b/dev-requirements.txt
index 611e30f0..28403da1 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -11,7 +11,7 @@ protobuf==3.19.1
 six==1.16.0
 tox == 3.24.5
 cloudevents >= 1.0.0
-opencensus == 0.8.0
+opencensus == 0.9.0
 opencensus-ext-grpc == 0.7.2
 coverage >= 5.3
 codecov >= 1.4.0