diff --git a/setup.py b/setup.py
old mode 100755
new mode 100644
index 5cafac50..aa517d4d
--- a/setup.py
+++ b/setup.py
@@ -52,7 +52,7 @@
         "colour",
         "descartes",
         "h5py",
-        "hydra-core==1.1.0",
+        "hydra-core==1.3.4",
         "imageio",
         "lapsolver",
         "matplotlib",