diff --git a/core/go.mod b/core/go.mod
index e2379cef..e4d17a07 100644
--- a/core/go.mod
+++ b/core/go.mod
@@ -29,7 +29,7 @@ require (
 	go.opentelemetry.io/otel/sdk v1.30.0
 	go.opentelemetry.io/otel/sdk/metric v1.30.0
 	go.opentelemetry.io/otel/trace v1.30.0
-	go.uber.org/mock v0.4.0
+	go.uber.org/mock v0.5.0
 	go.uber.org/zap v1.27.0
 	gocloud.dev v0.39.0
 	golang.org/x/crypto v0.27.0
diff --git a/core/go.sum b/core/go.sum
index 3c05ffee..87008d64 100644
--- a/core/go.sum
+++ b/core/go.sum
@@ -287,6 +287,8 @@ go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 go.uber.org/mock v0.4.0 h1:VcM4ZOtdbR4f6VXfiOpwpVJDL6lCReaZ6mw31wqh7KU=
 go.uber.org/mock v0.4.0/go.mod h1:a6FSlNadKUHUa9IP5Vyt1zh4fC7uAwxMutEAscFbkZc=
+go.uber.org/mock v0.5.0 h1:KAMbZvZPyBPWgD14IrIQ38QCyjwpvVVV6K/bHl1IwQU=
+go.uber.org/mock v0.5.0/go.mod h1:ge71pBPLYDk7QIi1LupWxdAykm7KIEFchiOqd6z7qMM=
 go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
 go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
 go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
diff --git a/flagd/go.mod b/flagd/go.mod
index 990918be..e326039b 100644
--- a/flagd/go.mod
+++ b/flagd/go.mod
@@ -23,7 +23,7 @@ require (
 	go.opentelemetry.io/otel/sdk v1.30.0
 	go.opentelemetry.io/otel/sdk/metric v1.30.0
 	go.opentelemetry.io/otel/trace v1.30.0
-	go.uber.org/mock v0.4.0
+	go.uber.org/mock v0.5.0
 	go.uber.org/zap v1.27.0
 	golang.org/x/net v0.29.0
 	golang.org/x/sync v0.8.0
diff --git a/flagd/go.sum b/flagd/go.sum
index 152ff468..ba885eb2 100644
--- a/flagd/go.sum
+++ b/flagd/go.sum
@@ -369,6 +369,8 @@ go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 go.uber.org/mock v0.4.0 h1:VcM4ZOtdbR4f6VXfiOpwpVJDL6lCReaZ6mw31wqh7KU=
 go.uber.org/mock v0.4.0/go.mod h1:a6FSlNadKUHUa9IP5Vyt1zh4fC7uAwxMutEAscFbkZc=
+go.uber.org/mock v0.5.0 h1:KAMbZvZPyBPWgD14IrIQ38QCyjwpvVVV6K/bHl1IwQU=
+go.uber.org/mock v0.5.0/go.mod h1:ge71pBPLYDk7QIi1LupWxdAykm7KIEFchiOqd6z7qMM=
 go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
 go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
 go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=