diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 03c7b02..302cbbb 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix:
         # Test oldest and newest supported version
-        go-version: [1.14.x, 1.16.x]
+        go-version: [1.14.x, 1.17.x]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps:
diff --git a/Dockerfile b/Dockerfile
index 7be3ffa..c450053 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.16 as builder
+FROM golang:1.17 as builder
 
 COPY . /build/mqtt2prometheus
 WORKDIR /build/mqtt2prometheus