diff --git a/README.md b/README.md
index d76499b..81cb9f1 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ mastotool
 
 [![Latest Release](https://img.shields.io/github/release/muesli/mastotool.svg)](https://github.com/muesli/mastotool/releases)
 [![Build Status](https://github.com/muesli/mastotool/workflows/build/badge.svg)](https://github.com/muesli/mastotool/actions)
-[![Go ReportCard](http://goreportcard.com/badge/muesli/mastotool)](http://goreportcard.com/report/muesli/mastotool)
+[![Go ReportCard](https://goreportcard.com/badge/muesli/mastotool)](https://goreportcard.com/report/muesli/mastotool)
 [![GoDoc](https://godoc.org/github.com/golang/gddo?status.svg)](https://pkg.go.dev/github.com/muesli/mastotool)
 
 mastotool offers a collection of command-line tools to work with your Mastodon account
@@ -25,7 +25,7 @@ mastotool offers a collection of command-line tools to work with your Mastodon a
 ### From source
 
 Make sure you have a working Go environment (Go 1.9 or higher is required).
-See the [install instructions](http://golang.org/doc/install.html).
+See the [install instructions](https://golang.org/doc/install.html).
 
 Compiling mastotool is easy, simply run: