diff --git a/pb/Dockerfile b/pb/Dockerfile
index b64feeb6..ffc1c00e 100644
--- a/pb/Dockerfile
+++ b/pb/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:latest
 
-ARG PB_VERSION=0.37.3
+ARG PB_VERSION=0.39.0
 
 RUN apk add --no-cache \
     unzip \