diff --git a/tools/gen_misp_install_docs.sh b/tools/gen_misp_install_docs.sh
index a30732f12..bf6d63eb3 100755
--- a/tools/gen_misp_install_docs.sh
+++ b/tools/gen_misp_install_docs.sh
@@ -13,7 +13,7 @@ fi
 
 if [ -z "$VIRTUAL_ENV" ]; then
   virtualenv -p python3 mkdocs || echo "You probably have the main Python(3) binary running exclusively somewhere, make sure it is killed."
-  ${PWD}/mkdocs/bin/pip install mkdocs mkdocs-material markdown-include python-markdown-comments gitchangelog
+  ${PWD}/mkdocs/bin/pip install mkdocs==1.0.4 mkdocs-material==4.6.3 markdown-include python-markdown-comments gitchangelog
 fi
 
 # Fixing ASCII aborration introduced in: https://github.com/MISP/MISP/commit/1b028ee15a3bd2f209102cd6204e6c4bb519be97