diff --git a/build.json b/build.json
index 6b25c2f5..f016bced 100644
--- a/build.json
+++ b/build.json
@@ -10,7 +10,7 @@
       "default": "3.9.13"
     },
     "AIIDA_VERSION": {
-      "default": "2.6.2"
+      "default": "2.6.3"
     },
     "AIIDALAB_VERSION": {
       "default": "24.09.0"