diff --git a/ci/travis/recipe/meta.yaml b/ci/travis/recipe/meta.yaml
index 287fd40..9ec2b0c 100644
--- a/ci/travis/recipe/meta.yaml
+++ b/ci/travis/recipe/meta.yaml
@@ -29,7 +29,7 @@ requirements:
     - setuptools
   run:
     - python
-    - bw2data >= 3.4.2
+    - bw2data >=3.4.2
     - brightway2 >=2.1.2
     - pandas