diff --git a/requirements/base.txt b/requirements/base.txt
index 057b951..3cb1ad2 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -167,7 +167,7 @@ sciline==25.11.1
     # via
     #   -r base.in
     #   essreduce
-scipp==25.11.0
+scipp==25.12.0
     # via
     #   -r base.in
     #   essreduce
diff --git a/requirements/basetest.txt b/requirements/basetest.txt
index 1c8e9af..6b8f2ec 100644
--- a/requirements/basetest.txt
+++ b/requirements/basetest.txt
@@ -83,7 +83,7 @@ rpds-py==0.29.0
     # via
     #   jsonschema
     #   referencing
-scipp==25.11.0
+scipp==25.12.0
     # via
     #   scitiff
     #   tof