diff --git a/Dockerfile b/Dockerfile
index d0474a1..72ee8a8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -43,7 +43,7 @@ EOF
 
 # Install a more recent release of protoc:
 # renovate: datasource=github-releases depName=protocolbuffers/protobuf versioning=semver-coerced
-ARG PB_VERSION="v34.2"
+ARG PB_VERSION="v35.0"
 RUN <<EOF
     if [[ ${DOCKER_TARGET_ARCH} == 'aarch64' ]]; then
       DOCKER_TARGET_ARCH=aarch_64