diff --git a/online-boutique-demo/src/recommendationservice/requirements.txt b/online-boutique-demo/src/recommendationservice/requirements.txt
index bc6c363..c5476a0 100644
--- a/online-boutique-demo/src/recommendationservice/requirements.txt
+++ b/online-boutique-demo/src/recommendationservice/requirements.txt
@@ -27,7 +27,7 @@ opencensus-ext-stackdriver==0.7.3  # via -r requirements.in
 opencensus==0.7.11        # via -r requirements.in, opencensus-ext-grpc, opencensus-ext-stackdriver
 protobuf==3.13.0          # via google-api-core, googleapis-common-protos, grpcio-health-checking
 pyasn1-modules==0.2.8     # via google-auth
-pyasn1==0.4.8             # via pyasn1-modules, rsa
+pyasn1==0.6.2             # via pyasn1-modules, rsa
 python-json-logger==0.1.11  # via -r requirements.in
 pytz==2018.9              # via google-api-core
 pyyaml==5.3.1             # via google-python-cloud-debugger