diff --git a/system-tests/tests/canaries_sentinels/proof-of-reserve/cron-based/go.mod b/system-tests/tests/canaries_sentinels/proof-of-reserve/cron-based/go.mod
index 76808c5603f..225dfda485e 100644
--- a/system-tests/tests/canaries_sentinels/proof-of-reserve/cron-based/go.mod
+++ b/system-tests/tests/canaries_sentinels/proof-of-reserve/cron-based/go.mod
@@ -90,6 +90,6 @@ require (
 	golang.org/x/time v0.14.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20260114163908-3f89685c29c3 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20251222181119-0a764e51fe1b // indirect
-	google.golang.org/grpc v1.78.0 // indirect
+	google.golang.org/grpc v1.79.3 // indirect
 	google.golang.org/protobuf v1.36.11 // indirect
 )
diff --git a/system-tests/tests/canaries_sentinels/proof-of-reserve/cron-based/go.sum b/system-tests/tests/canaries_sentinels/proof-of-reserve/cron-based/go.sum
index 2741ec80b04..f857b56b361 100644
--- a/system-tests/tests/canaries_sentinels/proof-of-reserve/cron-based/go.sum
+++ b/system-tests/tests/canaries_sentinels/proof-of-reserve/cron-based/go.sum
@@ -200,8 +200,8 @@ google.golang.org/genproto/googleapis/api v0.0.0-20260114163908-3f89685c29c3 h1:
 google.golang.org/genproto/googleapis/api v0.0.0-20260114163908-3f89685c29c3/go.mod h1:dd646eSK+Dk9kxVBl1nChEOhJPtMXriCcVb4x3o6J+E=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20251222181119-0a764e51fe1b h1:Mv8VFug0MP9e5vUxfBcE3vUkV6CImK3cMNMIDFjmzxU=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20251222181119-0a764e51fe1b/go.mod h1:j9x/tPzZkyxcgEFkiKEEGxfvyumM01BEtsW8xzOahRQ=
-google.golang.org/grpc v1.78.0 h1:K1XZG/yGDJnzMdd/uZHAkVqJE+xIDOcmdSFZkBUicNc=
-google.golang.org/grpc v1.78.0/go.mod h1:I47qjTo4OKbMkjA/aOOwxDIiPSBofUtQUI5EfpWvW7U=
+google.golang.org/grpc v1.79.3 h1:sybAEdRIEtvcD68Gx7dmnwjZKlyfuc61Dyo9pGXXkKE=
+google.golang.org/grpc v1.79.3/go.mod h1:KmT0Kjez+0dde/v2j9vzwoAScgEPx/Bw1CYChhHLrHQ=
 google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
 google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=