diff --git a/Dockerfile b/Dockerfile
index 8865afb4..0a17d2ca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.13-alpine as build
+FROM golang:1.15-alpine as build
 
 ARG version=master
 
diff --git a/Dockerfile.build b/Dockerfile.build
index 7e672aab..645b4d86 100644
--- a/Dockerfile.build
+++ b/Dockerfile.build
@@ -1,4 +1,4 @@
-FROM golang:1.13 as build
+FROM golang:1.15 as build
 
 ARG version=master
 
diff --git a/go.mod b/go.mod
index c4450db0..2ff4943d 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/wtfutil/wtf
 
-go 1.14
+go 1.15
 
 require (
 	code.cloudfoundry.org/bytefmt v0.0.0-20190819182555-854d396b647c