diff --git a/rbutil/rbutilqt/irivertools/h300sums.h b/rbutil/rbutilqt/irivertools/h300sums.h
index 1c6581a6d1..2f95df09b4 100644
--- a/rbutil/rbutilqt/irivertools/h300sums.h
+++ b/rbutil/rbutilqt/irivertools/h300sums.h
@@ -15,3 +15,5 @@
 {"1ac242c645572a0a5de99ae2b23453b8", "ce433c404ff7531f5852ce3cb61143ee"},
 /* 1.30eu */
 {"8d2d775b018f0532235d38f5317ae10c", "7fb49041294b3e6aea3894218d6d64cf"},
+/* 1.31k */
+{"8241f66c5b64beeeeeb8fdfc8263f75f", "b92d631a8978eaf5467fb7e3f952feaa"},
diff --git a/tools/fwpatcher/h300sums.h b/tools/fwpatcher/h300sums.h
index 1c6581a6d1..2f95df09b4 100644
--- a/tools/fwpatcher/h300sums.h
+++ b/tools/fwpatcher/h300sums.h
@@ -15,3 +15,5 @@
 {"1ac242c645572a0a5de99ae2b23453b8", "ce433c404ff7531f5852ce3cb61143ee"},
 /* 1.30eu */
 {"8d2d775b018f0532235d38f5317ae10c", "7fb49041294b3e6aea3894218d6d64cf"},
+/* 1.31k */
+{"8241f66c5b64beeeeeb8fdfc8263f75f", "b92d631a8978eaf5467fb7e3f952feaa"},