diff --git a/dev-requirements.txt b/dev-requirements.txt
index 1f2c5da..245fef7 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -62,6 +62,8 @@ packaging==26.1
     #   build
     #   pytest
     #   wheel
+paho-mqtt==2.1.0
+    # via -r requirements.in
 pip-tools==7.5.3
     # via -r dev-requirements.in
 pluggy==1.6.0
@@ -78,6 +80,8 @@ pydantic-settings==2.13.1
     # via -r requirements.in
 pygments==2.20.0
     # via pytest
+pymodbus==3.13.1
+    # via -r requirements.in
 pyotp==2.10.0
     # via -r requirements.in
 pyproject-hooks==1.2.0