diff --git a/pages/docs/index.md b/pages/docs/index.md
index 19e436a3fce9dd0313eeeaf341903c3093b4b2e6..d88920142b367f075a67cd3751718ef8fae29746 100644
--- a/pages/docs/index.md
+++ b/pages/docs/index.md
@@ -1,3 +1,3 @@
 Index
 
-![](diagrams/grammar/uml.png)
\ No newline at end of file
+![](diagrams/grammar/openapiRelast.png)
diff --git a/pages/requirements.txt b/pages/requirements.txt
index a5b1bbf825def6db5490bd6d87103c08357d879d..44a6baca63b9fc58be8445fb06eb6d56e868bb53 100644
--- a/pages/requirements.txt
+++ b/pages/requirements.txt
@@ -1,3 +1,4 @@
 mkdocs==1.2.2
 mkdocs-git-revision-date-localized-plugin==0.10.3
 mkdocs-macros-plugin==0.6.3
+jinja2==3.0.3
\ No newline at end of file