diff --git a/go.mod b/go.mod
index 04d648d380..7af04500f0 100644
--- a/go.mod
+++ b/go.mod
@@ -15,7 +15,7 @@ require (
 	golang.org/x/sync v0.7.0
 	golang.org/x/sys v0.19.0
 	google.golang.org/grpc v1.63.2
-	google.golang.org/protobuf v1.33.0
+	google.golang.org/protobuf v1.34.0
 	gopkg.in/yaml.v3 v3.0.1
 	k8s.io/api v0.30.0
 	k8s.io/apimachinery v0.30.0
diff --git a/go.sum b/go.sum
index 10306c99ac..9f28cd5637 100644
--- a/go.sum
+++ b/go.sum
@@ -179,8 +179,8 @@ google.golang.org/grpc v1.63.2 h1:MUeiw1B2maTVZthpU5xvASfTh3LDbxHd6IJ6QQVU+xM=
 google.golang.org/grpc v1.63.2/go.mod h1:WAX/8DgncnokcFUldAxq7GeB5DXHDbMF+lLvDomNkRA=
 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 v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
-google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+google.golang.org/protobuf v1.34.0 h1:Qo/qEd2RZPCf2nKuorzksSknv0d3ERwp1vFG38gSmH4=
+google.golang.org/protobuf v1.34.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
diff --git a/packages/by-name/contrast/package.nix b/packages/by-name/contrast/package.nix
index 8b5cedfe3f..28c1cbcf4b 100644
--- a/packages/by-name/contrast/package.nix
+++ b/packages/by-name/contrast/package.nix
@@ -60,7 +60,7 @@ buildGoModule rec {
     };
 
   proxyVendor = true;
-  vendorHash = "sha256-8sAgpnoWGFVExwWZmZPYOfQ6Npj7p+yyHRjKlC5y80w=";
+  vendorHash = "sha256-i+7DhygotCNhczpaZlI9O7enKVOW7smauOKcGQhOtzI=";
 
   subPackages = packageOutputs ++ [ "e2e/internal/kuberesource/resourcegen" ];
 
diff --git a/packages/by-name/service-mesh/package.nix b/packages/by-name/service-mesh/package.nix
index 3f6de4c308..49459dffcc 100644
--- a/packages/by-name/service-mesh/package.nix
+++ b/packages/by-name/service-mesh/package.nix
@@ -26,7 +26,7 @@ buildGoModule rec {
     };
 
   proxyVendor = true;
-  vendorHash = "sha256-p0vkQqe6Q11N0pSP28faXwnMszJyLCUhjeMBTabZWCI=";
+  vendorHash = "sha256-UbUoj6SzUaTASfMawVQnMNqE//csvsM3hSbXTntP3gQ=";
 
   subPackages = [ "." ];
 
diff --git a/service-mesh/go.mod b/service-mesh/go.mod
index 5b70330606..e0178ac13b 100644
--- a/service-mesh/go.mod
+++ b/service-mesh/go.mod
@@ -3,9 +3,9 @@ module github.com/edgelesssys/contrast/service-mesh
 go 1.21
 
 require (
-	github.com/envoyproxy/go-control-plane v0.12.0
-	google.golang.org/protobuf v1.33.0
 	github.com/coreos/go-iptables v0.7.0
+	github.com/envoyproxy/go-control-plane v0.12.0
+	google.golang.org/protobuf v1.34.0
 )
 
 require (
diff --git a/service-mesh/go.sum b/service-mesh/go.sum
index 596627b2e3..a5a6bd81a9 100644
--- a/service-mesh/go.sum
+++ b/service-mesh/go.sum
@@ -60,7 +60,7 @@ google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyac
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 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 v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
-google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+google.golang.org/protobuf v1.34.0 h1:Qo/qEd2RZPCf2nKuorzksSknv0d3ERwp1vFG38gSmH4=
+google.golang.org/protobuf v1.34.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=