diff --git a/20230220082304_word_form_length.down.sql b/20230220082304_word_form_length.down.sql
new file mode 100644
index 0000000..976ef19
--- /dev/null
+++ b/20230220082304_word_form_length.down.sql
@@ -0,0 +1 @@
+ALTER TABLE word_forms DROP COLUMN len;
diff --git a/20230220082304_word_form_length.up.sql b/20230220082304_word_form_length.up.sql
new file mode 100644
index 0000000..3ff13ea
--- /dev/null
+++ b/20230220082304_word_form_length.up.sql
@@ -0,0 +1,2 @@
+ALTER TABLE word_forms ADD COLUMN len INTEGER NOT NULL
+    GENERATED ALWAYS AS (length(value)) STORED;