diff --git a/.drone.yml b/.drone.yml
index f6dc9a7..fa683f7 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -5,7 +5,7 @@ name: default
 
 steps:
 - name: backend
-  image: golang:1.19
+  image: golang:1.21
   commands:
     - go install honnef.co/go/tools/cmd/staticcheck@latest
     - go build ./...
diff --git a/Dockerfile b/Dockerfile
index 7d8fcdd..d2d25eb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20-alpine3.18 as go-builder
+FROM golang:1.21-alpine3.18 as go-builder
 ENV GOPATH ""
 
 RUN apk add git
diff --git a/go.mod b/go.mod
index c7b55fe..9376692 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module git.netflux.io/rob/solar-toolkit
 
-go 1.20
+go 1.21
 
 require (
 	github.com/jmoiron/sqlx v1.3.5