diff --git a/Dockerfile b/Dockerfile
index 150ac3a..5ce3a12 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:latest
 
-ARG PB_VERSION=0.30.0
+ARG PB_VERSION=0.33.0
 
 RUN apk add --no-cache \
     unzip \