diff --git a/README.md b/README.md
index d148d31be4e6b088011ac181708c1ab2feb3c54c..ce3c8f0d2cce253d0709f1bb67200813c8957a3a 100644
--- a/README.md
+++ b/README.md
@@ -67,4 +67,5 @@ Non functional (expected values are $`5.085`$ and $`-0.1156`$)
 | Python   |            3.7.1 | statsmodels 0.10.1 scipy 1.1.0 pandas 0.25.3 seaborn 0.9.0    | Jupyter | Windows 10 x64 (build 17134)   | Similar $`\hat{\alpha}=5.0850'$          | Identical                                 | Identical                    | Identical after code change | Identical after code change | [ipynb] (https://app-learninglab.inria.fr/moocrr/gitlab/65f0b71b8c107dc7c99fe00b869170e1/mooc-rr/blob/master/module4/src_Python3_challenger.ipynb), | 65f0b71b8c107dc7c99fe00b869170e1 |
 | Python   |            3.6.4 | statsmodels 0.9.0 scipy 1.1.0 pandas 0.22.0 seaborn 0.8.1     | Jupyter | Windows 10 x64 (build 18363)   | Identical   
 | R        |            3.5.1 | ggplot2_3.1.0                                                 | RStudio | Windows 10 Pro 1909 - 64 bits  | Similar (5.08498 , -0.1156)              | Similar ( ,3.052 ,0.04702 )               |  Identical                   |Identical  | Identical    |      [ipynb](https://app-learninglab.inria.fr/moocrr/gitlab/de98852947736bd9e2f70971a6ed56d0/mooc-rr/blob/master/module4/ex4.ipynb) | de98852947736bd9e2f70971a6ed56d0 |
-| R        |            4.0.0 | ggplot2 3.3.0                                                 | RStudio | Manjaro Linux                  | Identical                                | Identical                                 | Identical                    | Identical | Identical    | [Rmd](https://app-learninglab.inria.fr/moocrr/gitlab/55066b9debf86be253468bbb91c0a965/mooc-rr/blob/master/module4/challenger.Rmd), [pdf](https://app-learninglab.inria.fr/moocrr/gitlab/55066b9debf86be253468bbb91c0a965/mooc-rr/blob/master/module4/challenger.pdf) | 55066b9debf86be253468bbb91c0a965 |                                                                                                                                                                                                                           
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+| R        |            4.0.0 | ggplot2 3.3.0                                                 | RStudio | Manjaro Linux                  | Identical                                | Identical                                 | Identical                    | Identical | Identical    | [Rmd](https://app-learninglab.inria.fr/moocrr/gitlab/55066b9debf86be253468bbb91c0a965/mooc-rr/blob/master/module4/challenger.Rmd), [pdf](https://app-learninglab.inria.fr/moocrr/gitlab/55066b9debf86be253468bbb91c0a965/mooc-rr/blob/master/module4/challenger.pdf) | 55066b9debf86be253468bbb91c0a965 |                                                                                                                                                                                   
+| R        |            4.0.0 | ggplot2_3.3.1                                                 | RStudio | Windows 10 x64 (build 18363)   |
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