diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e1f4c05..6423529 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,7 +3,7 @@ name: build
 on: [push, pull_request]
 
 env:
-  GO_VERSION: 1.15.6
+  GO_VERSION: 1.17.8
 
 jobs:
   git-describe:
diff --git a/Dockerfile b/Dockerfile
index 8d218a7..08c9953 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG GO_VERSION=1.15
+ARG GO_VERSION=1.17.8
 ARG TARGET=alpine:3.9
 
 FROM golang:${GO_VERSION}-alpine AS builder