diff --git a/changelogs/unreleased/id-change-default-for-ci-max-artifact-size-lsif.yml b/changelogs/unreleased/id-change-default-for-ci-max-artifact-size-lsif.yml
new file mode 100644
index 0000000000000000000000000000000000000000..aaeb7deff002ad880ffd63eea68857d8b20e852d
--- /dev/null
+++ b/changelogs/unreleased/id-change-default-for-ci-max-artifact-size-lsif.yml
@@ -0,0 +1,5 @@
+---
+title: Changes limit for lsif artifacts to 100MB
+merge_request: 46980
+author:
+type: changed
diff --git a/db/migrate/20201105135051_change_default_value_of_ci_max_artifact_size_lsif_of_plan_limits_from20_to100.rb b/db/migrate/20201105135051_change_default_value_of_ci_max_artifact_size_lsif_of_plan_limits_from20_to100.rb
new file mode 100644
index 0000000000000000000000000000000000000000..d53f81ecabb0b6874a19f93bdc3708527631e6d9
--- /dev/null
+++ b/db/migrate/20201105135051_change_default_value_of_ci_max_artifact_size_lsif_of_plan_limits_from20_to100.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class ChangeDefaultValueOfCiMaxArtifactSizeLsifOfPlanLimitsFrom20To100 < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    with_lock_retries do
+      change_column_default :plan_limits, :ci_max_artifact_size_lsif, 100
+      execute('UPDATE plan_limits SET ci_max_artifact_size_lsif = 100 WHERE ci_max_artifact_size_lsif = 20')
+    end
+  end
+
+  def down
+    with_lock_retries do
+      change_column_default :plan_limits, :ci_max_artifact_size_lsif, 20
+      execute('UPDATE plan_limits SET ci_max_artifact_size_lsif = 20 WHERE ci_max_artifact_size_lsif = 100')
+    end
+  end
+end
diff --git a/db/schema_migrations/20201105135051 b/db/schema_migrations/20201105135051
new file mode 100644
index 0000000000000000000000000000000000000000..26ebc47fd3a0f2d3e28765a71330e6bdbd19500b
--- /dev/null
+++ b/db/schema_migrations/20201105135051
@@ -0,0 +1 @@
+41cc59ebfeed647b2525191befa43c1faeb1c133a687a5c93124f4b4c745117a
\ No newline at end of file
diff --git a/db/structure.sql b/db/structure.sql
index a4fe8fb0f573196c2325c0a2ebd918b7858367cd..fd427a371980cc12e1453b3c1fce662d0333b4cb 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -14631,7 +14631,7 @@ CREATE TABLE plan_limits (
     offset_pagination_limit integer DEFAULT 50000 NOT NULL,
     ci_instance_level_variables integer DEFAULT 25 NOT NULL,
     storage_size_limit integer DEFAULT 0 NOT NULL,
-    ci_max_artifact_size_lsif integer DEFAULT 20 NOT NULL,
+    ci_max_artifact_size_lsif integer DEFAULT 100 NOT NULL,
     ci_max_artifact_size_archive integer DEFAULT 0 NOT NULL,
     ci_max_artifact_size_metadata integer DEFAULT 0 NOT NULL,
     ci_max_artifact_size_trace integer DEFAULT 0 NOT NULL,
diff --git a/doc/administration/instance_limits.md b/doc/administration/instance_limits.md
index 9bc3432c59e3299ae9128e2a2ad0e3da9cd27e84..ec56a59fdc2f5e19734f8214dd69846403f57aa1 100644
--- a/doc/administration/instance_limits.md
+++ b/doc/administration/instance_limits.md
@@ -347,7 +347,7 @@ setting is used:
 | `ci_max_artifact_size_license_management`   | 0             |
 | `ci_max_artifact_size_license_scanning`     | 0             |
 | `ci_max_artifact_size_load_performance`     | 0             |
-| `ci_max_artifact_size_lsif`                 | 20 MB ([introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/37226) in GitLab 13.3) |
+| `ci_max_artifact_size_lsif`                 | 100 MB ([Introduced at 20 MB](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/37226) in GitLab 13.3 and [raised to 100 MB](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/46980) in GitLab 13.6.) |
 | `ci_max_artifact_size_metadata`             | 0             |
 | `ci_max_artifact_size_metrics_referee`      | 0             |
 | `ci_max_artifact_size_metrics`              | 0             |
diff --git a/doc/user/project/code_intelligence.md b/doc/user/project/code_intelligence.md
index d0c5a24826a80e918a31b7224acca14704245081..5f96f65ea0622be05af402fac00642858f3aab10 100644
--- a/doc/user/project/code_intelligence.md
+++ b/doc/user/project/code_intelligence.md
@@ -35,7 +35,9 @@ code_navigation:
       lsif: dump.lsif
 ```
 
-The generated LSIF file must be less than 170MiB.
+The generated LSIF file size may be limited by
+the [artifact application limits (`ci_max_artifact_size_lsif`)](../../administration/instance_limits.md#maximum-file-size-per-type-of-artifact),
+default to 100MB (configurable by an instance administrator).
 
 After the job succeeds, code intelligence data can be viewed while browsing the code: