diff --git a/go.mod b/go.mod
index de4f496..8486539 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.21
 
 require (
 	github.com/dogmatiq/jumble v0.1.0
-	google.golang.org/protobuf v1.34.0
+	google.golang.org/protobuf v1.34.1
 )
 
 require github.com/google/go-cmp v0.5.8 // indirect
diff --git a/go.sum b/go.sum
index 604e763..d0264f8 100644
--- a/go.sum
+++ b/go.sum
@@ -2,5 +2,5 @@ github.com/dogmatiq/jumble v0.1.0 h1:Cb3ExfxY+AoUP4G9/sOwoOdYX8o+kOLK8+dhXAry+QA
 github.com/dogmatiq/jumble v0.1.0/go.mod h1:FCGV2ImXu8zvThxhd4QLstiEdu74vbIVw9bFJSBcKr4=
 github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg=
 github.com/google/go-cmp v0.5.8/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-google.golang.org/protobuf v1.34.0 h1:Qo/qEd2RZPCf2nKuorzksSknv0d3ERwp1vFG38gSmH4=
-google.golang.org/protobuf v1.34.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+google.golang.org/protobuf v1.34.1 h1:9ddQBjfCyZPOHPUiPxpYESBLc+T8P3E+Vo4IbKZgFWg=
+google.golang.org/protobuf v1.34.1/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=