diff --git a/README.Rmd b/README.Rmd
index 6cc5aa2..e2ece97 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -8,8 +8,8 @@ knitr::opts_chunk$set(
 
 # Download logs from the RStudio CRAN mirror
 
-[![Linux Build Status](https://travis-ci.org/metacran/cranlogs.png?branch=master)](https://travis-ci.org/metacran/cranlogs)
-[![Windows Build status](https://ci.appveyor.com/api/projects/status/github/metacran/cranlogs)](https://ci.appveyor.com/project/gaborcsardi/cranlogs)
+[![Linux Build Status](https://travis-ci.org/metacran/cranlogs.svg?branch=master)](https://travis-ci.org/metacran/cranlogs)
+[![Windows Build status](https://ci.appveyor.com/api/projects/status/github/metacran/cranlogs?svg=true)](https://ci.appveyor.com/project/gaborcsardi/cranlogs)
 
 [RStudio](http://www.rstudio.com) publishes the download logs from
 their CRAN package mirror daily at http://cran-logs.rstudio.com.
diff --git a/README.md b/README.md
index 070749d..65744d2 100644
--- a/README.md
+++ b/README.md
@@ -3,8 +3,8 @@
 
 # Download logs from the RStudio CRAN mirror
 
-[![Linux Build Status](https://travis-ci.org/metacran/cranlogs.png?branch=master)](https://travis-ci.org/metacran/cranlogs)
-[![Windows Build status](https://ci.appveyor.com/api/projects/status/github/metacran/cranlogs)](https://ci.appveyor.com/project/gaborcsardi/cranlogs)
+[![Linux Build Status](https://travis-ci.org/metacran/cranlogs.svg?branch=master)](https://travis-ci.org/metacran/cranlogs)
+[![Windows Build status](https://ci.appveyor.com/api/projects/status/github/metacran/cranlogs?svg=true)](https://ci.appveyor.com/project/gaborcsardi/cranlogs)
 
 [RStudio](http://www.rstudio.com) publishes the download logs from
 their CRAN package mirror daily at http://cran-logs.rstudio.com.