diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index b8189987d3..f732c4c66b 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -21,7 +21,7 @@ ktlint = "0.48.2"
 moshi = "1.15.2"
 okhttp = "5.3.2"
 okio = "3.16.4"
-protobuf = "4.33.4"
+protobuf = "4.33.5"
 protobufGradlePlugin = "0.9.6"
 
 [libraries]
diff --git a/wire-reflector/build.gradle.kts b/wire-reflector/build.gradle.kts
index 2dd42eea6f..63baf64189 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:4.33.4")
+  implementation("com.google.protobuf:protoc:4.33.5")
 
   testImplementation(projects.wireTestUtils)
   testImplementation(libs.junit)