diff --git a/resources/conda_dgcode.yml b/resources/conda_dgcode.yml
index df60c48..dd96ce3 100644
--- a/resources/conda_dgcode.yml
+++ b/resources/conda_dgcode.yml
@@ -5,7 +5,7 @@ channels:
 dependencies:
   - compilers
   - bash
-  - simple-build-dgcode >= 1.1.0
+  - simple-build-dgcode >= 1.2.1
   - ncrystal
   - mcpl
   - matplotlib