diff --git a/Biblio_mai_2024.bib b/Biblio_été_2024.bib
similarity index 99%
rename from Biblio_mai_2024.bib
rename to Biblio_été_2024.bib
index ca58bce..e05473e 100644
--- a/Biblio_mai_2024.bib
+++ b/Biblio_été_2024.bib
@@ -1123,7 +1123,13 @@
     publisher = {Oxford University Press},
     isbn = {978-0-19-752368-1},
     keywords = {Data, Géopolitique, gourvenance, geopolitic, governance}}
-    
+
+    @book{olejnik2023philosophy,
+    author={Olejnik, Lukasz and Kurasi{\'n}ski, Artur},    
+    title={Philosophy of Cybersecurity},
+    year={2023},
+    publisher={CRC Press}}
+
     @book{étiquette,
     title={Renseignement et s{\'e}curit{\'e}-2e {\'e}d.},
     author={Chopin, Olivier and Oudet, Benjamin},