diff --git a/conandata.yml b/conandata.yml
index a98bdb3b3f..d4380146d4 100644
--- a/conandata.yml
+++ b/conandata.yml
@@ -12,10 +12,10 @@
 # Subject to change in the future!
 "None":
     requirements:
-        - "arcus/(latest)@ultimaker/testing"
+        - "arcus/5.1.0"
         - "curaengine/(latest)@ultimaker/testing"
-        - "savitar/(latest)@ultimaker/testing"
-        - "pynest2d/(latest)@ultimaker/testing"
+        - "savitar/5.1.0"
+        - "pynest2d/5.1.0"
         - "uranium/(latest)@ultimaker/testing"
         - "fdm_materials/(latest)@ultimaker/testing"
         - "cura_binary_data/(latest)@ultimaker/testing"