diff --git a/requirements-dev.txt b/requirements-dev.txt
index da0f9ca5ca8..ba99a8ebd0b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -22,5 +22,5 @@ mplfinance>=0.12.10b0
 ruff>=0.3.3
 ruff-lsp>=0.0.53
 pre-commit>=3.6.2
-backtrader>=1.9.78.123  # just for test
-lib-pybroker==1.1.39 # just for demo.md
+# backtrader>=1.9.78.123  # just for test
+# lib-pybroker # just for demo.md