diff --git a/science/analysis/courses.txt b/science/analysis/courses.txt
index d8141d50e..844f03a02 100644
--- a/science/analysis/courses.txt
+++ b/science/analysis/courses.txt
@@ -5,7 +5,7 @@ cheatsheets
 https://www.youtube.com/playlist?list=PLdTniHoWI25xJ0tiL9K6s0DJcOJfpJRhp
 
 2024
-IFMO - Kohas
+IFMO - Kohas - Analysis
     https://www.youtube.com/playlist?list=PLd7QXkfmSY7Y0PIjtWZxXxoMM2OP7QyY2
     https://vk.com/video/playlist/-211870343_16
 IFMO - Trifanova
@@ -13,6 +13,9 @@ IFMO - Trifanova
     https://vk.com/video/playlist/-211870343_15
 IFMO - Semenova
     https://www.youtube.com/playlist?list=PLd7QXkfmSY7bt8pTU_tESfWJnLyn9EQRt
+2023
+IFMO - Kohas - Analysis
+    https://www.youtube.com/watch?v=JwHRjKuwWsw&list=PLd7QXkfmSY7YJ296WE1jwGNOsCThzwfJQ
 2022
 Lectorium - Hrabrov - Analysis
     https://www.youtube.com/playlist?list=PL-_cKNuVAYAVCmagreq1JLmyw97wZ51Hi