diff --git a/README.md b/README.md
index 338e3301e5337188babba0985084708f9071ac2d..3b143ac8ebf38a1594cef9965b5b98e5b72e3e5f 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ With the installation of the environment, the following software is installed as
 - [samtools](http://www.htslib.org/) (v1.3.1)
 - [bedtools](http://bedtools.readthedocs.io/en/latest/) (v2.26.0)
 - [gzip](http://www.gzip.org/) (v1.7)
-- [R](https://www.r-project.org/)
+- [R](https://www.r-project.org/) (v3.3.2)
 - [SRA tools](https://github.com/ncbi/sra-tools) (v.2.8.2)
 
 #### Step 3: Creating a new python2 environment to run PAQR