diff --git a/conda.yaml b/conda.yaml
index 3532136..b25213a 100644
--- a/conda.yaml
+++ b/conda.yaml
@@ -13,6 +13,7 @@ dependencies:
   - pyyaml=5.4.1=py37hcc03f2d_1
   - qgis=3.18.3=py37h3dc7164_2
   - qt=5.12.9=h5909a2a_4
+  - pyqtads=3.8.2
   - scikit-image=0.18.3=py37h9386db6_0
   - scipy=1.7.1=py37hb6553fb_0
   - yaml=0.2.5=he774522_0