diff --git a/benchmarks/chained-function-eventing/go.mod b/benchmarks/chained-function-eventing/go.mod
index 12233fad..46aaa9e1 100644
--- a/benchmarks/chained-function-eventing/go.mod
+++ b/benchmarks/chained-function-eventing/go.mod
@@ -9,7 +9,7 @@ require (
 	github.com/kelseyhightower/envconfig v1.4.0
 	github.com/vhive-serverless/vSwarm/tools/benchmarking_eventing v0.0.0-00010101000000-000000000000
 	google.golang.org/grpc v1.55.0
-	google.golang.org/protobuf v1.30.0
+	google.golang.org/protobuf v1.31.0
 )
 
 require (
diff --git a/benchmarks/chained-function-eventing/go.sum b/benchmarks/chained-function-eventing/go.sum
index 0184bb8b..8a94dbb3 100644
--- a/benchmarks/chained-function-eventing/go.sum
+++ b/benchmarks/chained-function-eventing/go.sum
@@ -89,8 +89,8 @@ google.golang.org/grpc v1.55.0 h1:3Oj82/tFSCeUrRTg/5E/7d/W5A1tj6Ky1ABAuZuv5ag=
 google.golang.org/grpc v1.55.0/go.mod h1:iYEXKGkEBhg1PjZQvoYEVPTDkHo1/bjTnfwTeGONTY8=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
-google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
+google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=