diff --git a/.github/workflows/conda.yml b/.github/workflows/conda.yml
index bb14a75426..fd493700b9 100644
--- a/.github/workflows/conda.yml
+++ b/.github/workflows/conda.yml
@@ -6,6 +6,7 @@ on:
   pull_request:
     paths:
       - setup.py
+      - requirements.txt
       - continuous_integration/recipes/**
       - .github/workflows/conda.yml