diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 22c297ec24..a5660d5fbf 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -5,7 +5,7 @@ assertj = "3.27.3"
 checkerQual = "3.48.4"
 coroutines = "1.9.0"
 dokka = "1.9.20"
-grpc = "1.69.1"
+grpc = "1.70.0"
 gson = "2.11.0"
 guava = "32.0.1-jre"
 javapoet = "0.6.0"
diff --git a/wire-reflector/build.gradle.kts b/wire-reflector/build.gradle.kts
index 9cebe99772..5a5203728d 100644
--- a/wire-reflector/build.gradle.kts
+++ b/wire-reflector/build.gradle.kts
@@ -14,7 +14,7 @@ dependencies {
   api(projects.wireSchema)
   implementation(libs.okio.core)
   api(libs.guava)
-  implementation("io.grpc:grpc-protobuf:1.69.1")
+  implementation("io.grpc:grpc-protobuf:1.70.0")
   implementation("com.google.protobuf:protoc:4.29.3")
 
   testImplementation(projects.wireTestUtils)