diff --git a/devtools/conda-recipe/meta.yaml b/devtools/conda-recipe/meta.yaml
index 0a8c0d4..cf65cdc 100644
--- a/devtools/conda-recipe/meta.yaml
+++ b/devtools/conda-recipe/meta.yaml
@@ -21,12 +21,13 @@ requirements:
     - matplotlib
     - seaborn
     - lxml
+    - libxslt=1.1.29=2
     - ipython
     - notebook
     - autoprotocol
     - mock
     - pymbar
-
+    
   run:
     - python
     - numpy
@@ -38,6 +39,7 @@ requirements:
     - matplotlib
     - seaborn
     - lxml
+    - libxslt=1.1.29=2
     - ipython
     - notebook
     - autoprotocol