diff --git a/persistence/0100_2.10.0_tag_type.sql b/persistence/0100_2.10.0_tag_type.sql
new file mode 100644
index 00000000..ff72df17
--- /dev/null
+++ b/persistence/0100_2.10.0_tag_type.sql
@@ -0,0 +1,25 @@
+BEGIN TRANSACTION;
+
+ALTER TABLE tags RENAME TO temp_tags;
+
+-- add bias column
+CREATE TABLE
+  IF NOT EXISTS tags (
+    driver_name TEXT NOT NULL,
+    group_name TEXT NOT NULL,
+    name TEXT NULL check (length (name) <= 128),
+    address TEXT NULL check (length (address) <= 128),
+    attribute INTEGER NOT NULL check (attribute BETWEEN 0 AND 15),
+    precision INTEGER NOT NULL check (precision BETWEEN 0 AND 17),
+    decimal REAL NOT NULL,
+    bias REAL NOT NULL check (bias BETWEEN -1000 AND 1000),
+    type INTEGER NOT NULL check (type BETWEEN 0 AND 40),
+    description TEXT NULL check (length (description) <= 512),
+    value TEXT,
+    UNIQUE (driver_name, group_name, name),
+    FOREIGN KEY (driver_name, group_name) REFERENCES groups (driver_name, name) ON UPDATE CASCADE ON DELETE CASCADE
+  );
+
+INSERT INTO tags SELECT * FROM temp_tags;
+DROP TABLE temp_tags;
+COMMIT;