diff --git a/_data/cfp_rooms_to_gwwc.yml b/_data/cfp_rooms_to_gwwc.yml
index c5c525e5..cdf73eef 100644
--- a/_data/cfp_rooms_to_gwwc.yml
+++ b/_data/cfp_rooms_to_gwwc.yml
@@ -1,21 +1,21 @@
-Web and front-end: A304
-Java Platform: 303
-Frameworks: A314
-Core Java: A305
-Cloud Tech: A302
+Web and front-end: 304
+Java Platform: 315
+Frameworks: 314
+Core Java: 305
+Cloud Tech: 302
 Cloud Infrastructure: 312
-Cloud Native: A312
-AI: A313
-Architecture: A405
+Cloud Native: 312
+AI: 313
+Architecture: 405
 Agile: 314
-Tools and Techniques: A404
-Security: A311
-Security.: A311
-Practices: A403
-Practices.: A403
-Tech Leadership: A406
-JakarataEE: A303
+Tools and Techniques: 404
+Security: 311
+Security.: 311
+Practices: 403
+Practices.: 403
+Tech Leadership: 406
+JakarataEE: 303
 Room 12: 405
 Room 13: 411
 Room 14: 412
-Keynote: A411
\ No newline at end of file
+Keynote: 411
\ No newline at end of file