diff --git a/cv-en.tex b/cv-en.tex
index 1743008..db02a41 100644
--- a/cv-en.tex
+++ b/cv-en.tex
@@ -127,6 +127,8 @@ Université Évry Val d'Essonne.
 
 \vspace{-1.3mm}
 \begin{tabu}{\usetabu{exppro}}
+  August 2021     & $\bullet$ & Collaboration with \textbf{Rudolf~\textsc{Freund}} at Technical University of Vienna, Austria \\
+  June 2021       & $\bullet$ & Collaboration with \textbf{Nicolas~\textsc{Glade}} at Université Grenoble-Alpes, France \\
   February 2020   & $\bullet$ & Collaboration with \textbf{Nicolas~\textsc{Glade}} at Université Grenoble-Alpes, France \\
   May 2019        & $\bullet$ & Collaboration with \textbf{Nicolas~\textsc{Glade}} at Université Grenoble-Alpes, France \\
   May 2019        & $\bullet$ & Collaboration with \textbf{Ion~\textsc{Petre}} at Turku University, Finland \\