diff --git a/schema/postgres/cadence/schema.sql b/schema/postgres/cadence/schema.sql
index aca57be60a1..608cce12dad 100644
--- a/schema/postgres/cadence/schema.sql
+++ b/schema/postgres/cadence/schema.sql
@@ -46,7 +46,7 @@ CREATE TABLE cross_cluster_tasks(
 CREATE TABLE executions(
   shard_id INTEGER NOT NULL,
   domain_id BYTEA NOT NULL,
-  workflow_id VARCHAR(255) NOT NULL,
+  workflow_id TEXT NOT NULL,
   run_id BYTEA NOT NULL,
   --
   next_event_id BIGINT NOT NULL,
@@ -59,7 +59,7 @@ CREATE TABLE executions(
 CREATE TABLE current_executions(
   shard_id INTEGER NOT NULL,
   domain_id BYTEA NOT NULL,
-  workflow_id VARCHAR(255) NOT NULL,
+  workflow_id TEXT NOT NULL,
   --
   run_id BYTEA NOT NULL,
   create_request_id VARCHAR(64) NOT NULL,
@@ -74,7 +74,7 @@ CREATE TABLE buffered_events (
   id BIGSERIAL NOT NULL,
   shard_id INTEGER NOT NULL,
   domain_id BYTEA NOT NULL,
-  workflow_id VARCHAR(255) NOT NULL,
+  workflow_id TEXT NOT NULL,
   run_id BYTEA NOT NULL,
   --
   data BYTEA NOT NULL,
@@ -140,7 +140,7 @@ CREATE TABLE activity_info_maps (
 -- each row corresponds to one key of one map<string, ActivityInfo>
   shard_id INTEGER NOT NULL,
   domain_id BYTEA NOT NULL,
-  workflow_id VARCHAR(255) NOT NULL,
+  workflow_id TEXT NOT NULL,
   run_id BYTEA NOT NULL,
   schedule_id BIGINT NOT NULL,
 --
@@ -154,7 +154,7 @@ CREATE TABLE activity_info_maps (
 CREATE TABLE timer_info_maps (
   shard_id INTEGER NOT NULL,
   domain_id BYTEA NOT NULL,
-  workflow_id VARCHAR(255) NOT NULL,
+  workflow_id TEXT NOT NULL,
   run_id BYTEA NOT NULL,
   timer_id VARCHAR(255) NOT NULL,
 --
@@ -166,7 +166,7 @@ CREATE TABLE timer_info_maps (
 CREATE TABLE child_execution_info_maps (
   shard_id INTEGER NOT NULL,
   domain_id BYTEA NOT NULL,
-  workflow_id VARCHAR(255) NOT NULL,
+  workflow_id TEXT NOT NULL,
   run_id BYTEA NOT NULL,
   initiated_id BIGINT NOT NULL,
 --
@@ -178,7 +178,7 @@ CREATE TABLE child_execution_info_maps (
 CREATE TABLE request_cancel_info_maps (
   shard_id INTEGER NOT NULL,
   domain_id BYTEA NOT NULL,
-  workflow_id VARCHAR(255) NOT NULL,
+  workflow_id TEXT NOT NULL,
   run_id BYTEA NOT NULL,
   initiated_id BIGINT NOT NULL,
 --
@@ -190,7 +190,7 @@ CREATE TABLE request_cancel_info_maps (
 CREATE TABLE signal_info_maps (
   shard_id INTEGER NOT NULL,
   domain_id BYTEA NOT NULL,
-  workflow_id VARCHAR(255) NOT NULL,
+  workflow_id TEXT NOT NULL,
   run_id BYTEA NOT NULL,
   initiated_id BIGINT NOT NULL,
 --
@@ -202,7 +202,7 @@ CREATE TABLE signal_info_maps (
 CREATE TABLE buffered_replication_task_maps (
   shard_id INTEGER NOT NULL,
   domain_id BYTEA NOT NULL,
-  workflow_id VARCHAR(255) NOT NULL,
+  workflow_id TEXT NOT NULL,
   run_id BYTEA NOT NULL,
   first_event_id BIGINT NOT NULL,
 --
@@ -220,7 +220,7 @@ CREATE TABLE buffered_replication_task_maps (
 CREATE TABLE signals_requested_sets (
   shard_id INTEGER NOT NULL,
   domain_id BYTEA NOT NULL,
-  workflow_id VARCHAR(255) NOT NULL,
+  workflow_id TEXT NOT NULL,
   run_id BYTEA NOT NULL,
   signal_id VARCHAR(64) NOT NULL,
   --
diff --git a/schema/postgres/cadence/versioned/v0.6/extend_workflow_id_length.sql b/schema/postgres/cadence/versioned/v0.6/extend_workflow_id_length.sql
new file mode 100644
index 00000000000..1a4be42a952
--- /dev/null
+++ b/schema/postgres/cadence/versioned/v0.6/extend_workflow_id_length.sql
@@ -0,0 +1,19 @@
+ALTER TABLE executions ALTER workflow_id TYPE text;
+
+ALTER TABLE current_executions ALTER workflow_id TYPE text;
+
+ALTER TABLE buffered_events ALTER workflow_id TYPE text;
+
+ALTER TABLE activity_info_maps ALTER workflow_id TYPE text;
+
+ALTER TABLE timer_info_maps ALTER workflow_id TYPE text;
+
+ALTER TABLE child_execution_info_maps ALTER workflow_id TYPE text;
+
+ALTER TABLE request_cancel_info_maps ALTER workflow_id TYPE text;
+
+ALTER TABLE signal_info_maps ALTER workflow_id TYPE text;
+
+ALTER TABLE buffered_replication_task_maps ALTER workflow_id TYPE text;
+
+ALTER TABLE signals_requested_sets ALTER workflow_id TYPE text;
\ No newline at end of file
diff --git a/schema/postgres/cadence/versioned/v0.6/manifest.json b/schema/postgres/cadence/versioned/v0.6/manifest.json
new file mode 100644
index 00000000000..131f2289d92
--- /dev/null
+++ b/schema/postgres/cadence/versioned/v0.6/manifest.json
@@ -0,0 +1,8 @@
+{
+  "CurrVersion": "0.6",
+  "MinCompatibleVersion": "0.6",
+  "Description": "update type of workflow_id to text to remove length restriction",
+  "SchemaUpdateCqlFiles": [
+    "extend_workflow_id_length.sql"
+  ]
+}
diff --git a/schema/postgres/version.go b/schema/postgres/version.go
index 37faef7fb44..050de1a80de 100644
--- a/schema/postgres/version.go
+++ b/schema/postgres/version.go
@@ -24,8 +24,8 @@ package postgres
 
 // Version is the Postgres database release version
 // Cadence supports both MySQL and Postgres officially, so upgrade should be perform for both MySQL and Postgres
-const Version = "0.5"
+const Version = "0.6"
 
 // VisibilityVersion is the Postgres visibility database release version
 // Cadence supports both MySQL and Postgres officially, so upgrade should be perform for both MySQL and Postgres
-const VisibilityVersion = "0.7"
+const VisibilityVersion = "0.8"
diff --git a/schema/postgres/visibility/schema.sql b/schema/postgres/visibility/schema.sql
index 7975b76babc..765f6bc9a02 100644
--- a/schema/postgres/visibility/schema.sql
+++ b/schema/postgres/visibility/schema.sql
@@ -3,7 +3,7 @@ CREATE TABLE executions_visibility (
   run_id               CHAR(64) NOT NULL,
   start_time           TIMESTAMP NOT NULL,
   execution_time       TIMESTAMP NOT NULL,
-  workflow_id          VARCHAR(255) NOT NULL,
+  workflow_id          TEXT NOT NULL,
   workflow_type_name   VARCHAR(255) NOT NULL,
   close_status         INTEGER,  -- enum WorkflowExecutionCloseStatus {COMPLETED, FAILED, CANCELED, TERMINATED, CONTINUED_AS_NEW, TIMED_OUT}
   close_time           TIMESTAMP NULL,
diff --git a/schema/postgres/visibility/versioned/v0.8/extend_workflow_id_length.sql b/schema/postgres/visibility/versioned/v0.8/extend_workflow_id_length.sql
new file mode 100644
index 00000000000..ab272e0c9af
--- /dev/null
+++ b/schema/postgres/visibility/versioned/v0.8/extend_workflow_id_length.sql
@@ -0,0 +1 @@
+ALTER TABLE executions_visibility ALTER workflow_id TYPE TEXT;
diff --git a/schema/postgres/visibility/versioned/v0.8/manifest.json b/schema/postgres/visibility/versioned/v0.8/manifest.json
new file mode 100644
index 00000000000..a31b9548c19
--- /dev/null
+++ b/schema/postgres/visibility/versioned/v0.8/manifest.json
@@ -0,0 +1,8 @@
+{
+  "CurrVersion": "0.8",
+  "MinCompatibleVersion": "0.8",
+  "Description": "update type of workflow_id to text to remove length restriction",
+  "SchemaUpdateCqlFiles": [
+    "extend_workflow_id_length.sql"
+  ]
+}
\ No newline at end of file
diff --git a/tools/common/schema/updatetask_test.go b/tools/common/schema/updatetask_test.go
index b58d310aee1..7c31f762a81 100644
--- a/tools/common/schema/updatetask_test.go
+++ b/tools/common/schema/updatetask_test.go
@@ -138,13 +138,13 @@ func (s *UpdateTaskTestSuite) TestReadSchemaDirFromEmbeddings() {
 	s.NoError(err)
 	ans, err = readSchemaDir(fsys, "0.3", "")
 	s.NoError(err)
-	s.Equal([]string{"v0.4", "v0.5"}, ans)
+	s.Equal([]string{"v0.4", "v0.5", "v0.6"}, ans)
 
 	fsys, err = fs.Sub(postgres.SchemaFS, "visibility/versioned")
 	s.NoError(err)
 	ans, err = readSchemaDir(fsys, "0.5", "")
 	s.NoError(err)
-	s.Equal([]string{"v0.6", "v0.7"}, ans)
+	s.Equal([]string{"v0.6", "v0.7", "v0.8"}, ans)
 }
 
 func (s *UpdateTaskTestSuite) TestReadManifest() {