diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index d37f4b4824..cbe54d5f40 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -19,7 +19,7 @@ ktlint = "0.48.2"
 moshi = "1.15.2"
 okhttp = "5.3.2"
 okio = "3.9.1"
-protobuf = "4.33.3"
+protobuf = "4.33.4"
 protobufGradlePlugin = "0.9.6"
 
 [libraries]
diff --git a/wire-reflector/build.gradle.kts b/wire-reflector/build.gradle.kts
index 537a634c39..2dd42eea6f 100644
--- a/wire-reflector/build.gradle.kts
+++ b/wire-reflector/build.gradle.kts
@@ -15,7 +15,7 @@ dependencies {
   implementation(libs.okio.core)
   api(libs.guava)
   implementation("io.grpc:grpc-protobuf:1.78.0")
-  implementation("com.google.protobuf:protoc:4.33.3")
+  implementation("com.google.protobuf:protoc:4.33.4")
 
   testImplementation(projects.wireTestUtils)
   testImplementation(libs.junit)