diff --git a/.gitignore b/.gitignore
index f32e31a..e69de29 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +0,0 @@
-.idea/
-.DS_Store
diff --git a/protoc-go/Dockerfile b/protoc-go/Dockerfile
index 4ca6967..ab19193 100644
--- a/protoc-go/Dockerfile
+++ b/protoc-go/Dockerfile
@@ -1,6 +1,6 @@
 FROM golang:1.18.0-alpine as builder
 
-ENV S12_PROTO_VERSION 1.32.0
+ENV S12_PROTO_VERSION 1.31.0
 
 ENV PROTOC_GEN_GO_VERSION 1.34.1
 ENV PROTOC_GEN_DOC_VERSION 1.5.1
diff --git a/protoc-go/version.txt b/protoc-go/version.txt
index a7e7070..31f8fdf 100644
--- a/protoc-go/version.txt
+++ b/protoc-go/version.txt
@@ -1 +1 @@
-3.22.0
+3.21.2