diff --git a/docs/index.md b/docs/index.md
index 8817622..f33c47b 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -85,13 +85,15 @@ Anteil an durch den Aktivkohlefilter gefilterten und wiedergewonnenem Sevofluran
 - [Studienprotokoll](vct-or-mc_studienprotokoll-1.2.pdf)
 - [Votum Ethikkommission](vct-or-mc_ethics_vote.pdf)
 - [Votum Ethikkommission Amendment](vct-or-mc_ethics_vote_a.pdf)
-- [Dokumentationsbogen/Case Report Form](vct-or-mc_crf-1.4.pdf)
-- [Dokumentationsbogen/Case Report Form (english version)](vct-or-mc_crf-1.4-en.pdf)
+- [Dokumentationsbogen/Case Report Form](vct-or-mc_crf-1.5.pdf)
+- [Dokumentationsbogen/Case Report Form (english version)](vct-or-mc_crf-1.5-en.pdf)
 
 ältere Versionen:
 
 - [Studienprotokoll 1.1](vct-or-mc_studienprotokoll-1.1.pdf)
 - [Studienprotokoll 1.0](vct-or-mc_studienprotokoll-1.0.pdf)
+- [Dokumentationsbogen/Case Report Form 1.4](vct-or-mc_crf-1.4.pdf)
+- [Dokumentationsbogen/Case Report Form 1.4 (english version)](vct-or-mc_crf-1.4-en.pdf)
 - [Dokumentationsbogen/Case Report Form 1.3](vct-or-mc_crf-1.3.pdf)
 - [Dokumentationsbogen/Case Report Form 1.3 (english version)](vct-or-mc_crf-1.3-en.pdf)
 - [Dokumentationsbogen/Case Report Form 1.2](vct-or-mc_crf-1.2.pdf)
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