diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a9d3e3f..320184d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -66,7 +66,7 @@ nightly:
   allow_failure: true
   script:
     - shards --ignore-crystal-version
-    - crystal spec --error-on-warnings --junit_output=.
+    - crystal spec --error-on-warnings --junit_output=. --tag smoke spec/spectator/dsl/
     - crystal tool format --check
   artifacts:
     when: always
diff --git a/spec/features/aggregate_failures_spec.cr b/spec/features/aggregate_failures_spec.cr
index 0c4506c..8779dd2 100644
--- a/spec/features/aggregate_failures_spec.cr
+++ b/spec/features/aggregate_failures_spec.cr
@@ -1,6 +1,6 @@
 require "../spec_helper"
 
-Spectator.describe Spectator do
+Spectator.describe Spectator, :smoke do
   describe "aggregate_failures" do
     it "captures multiple failed expectations" do
       expect do
diff --git a/spec/features/concise_spec.cr b/spec/features/concise_spec.cr
index c472a6e..64360a3 100644
--- a/spec/features/concise_spec.cr
+++ b/spec/features/concise_spec.cr
@@ -1,6 +1,6 @@
 require "../spec_helper"
 
-Spectator.describe Spectator do
+Spectator.describe Spectator, :smoke do
   context "consice syntax" do
     describe "provided group with a single assignment" do
       provided x = 42 do
diff --git a/spec/features/custom_message_spec.cr b/spec/features/custom_message_spec.cr
index a0dc973..da7e06c 100644
--- a/spec/features/custom_message_spec.cr
+++ b/spec/features/custom_message_spec.cr
@@ -1,6 +1,6 @@
 require "../spec_helper"
 
-Spectator.describe Spectator do
+Spectator.describe Spectator, :smoke do
   it "supports custom expectation messages" do
     expect do
       expect(false).to be_true, "paradox!"
diff --git a/spec/features/line_number_spec.cr b/spec/features/line_number_spec.cr
index ba273cf..c847985 100644
--- a/spec/features/line_number_spec.cr
+++ b/spec/features/line_number_spec.cr
@@ -1,6 +1,6 @@
 require "../spec_helper"
 
-Spectator.describe Spectator do
+Spectator.describe Spectator, :smoke do
   let(current_example) { ::Spectator::Example.current }
   subject(location) { current_example.location }
 
diff --git a/spec/features/metadata_spec.cr b/spec/features/metadata_spec.cr
index 08f7756..33f3f50 100644
--- a/spec/features/metadata_spec.cr
+++ b/spec/features/metadata_spec.cr
@@ -1,6 +1,6 @@
 require "../spec_helper"
 
-Spectator.describe "Spec metadata" do
+Spectator.describe "Spec metadata", :smoke do
   let(interpolation) { "string interpolation" }
 
   it "supports #{interpolation}" do |example|
diff --git a/spec/features/subject_spec.cr b/spec/features/subject_spec.cr
index 42436ea..a4380b2 100644
--- a/spec/features/subject_spec.cr
+++ b/spec/features/subject_spec.cr
@@ -4,7 +4,7 @@ class Base; end
 
 module SomeModule; end
 
-Spectator.describe "Subject" do
+Spectator.describe "Subject", :smoke do
   subject { Base.new }
 
   context "nested" do
diff --git a/spec/spectator/dsl/mocks/double_spec.cr b/spec/spectator/dsl/mocks/double_spec.cr
index 707714e..1369368 100644
--- a/spec/spectator/dsl/mocks/double_spec.cr
+++ b/spec/spectator/dsl/mocks/double_spec.cr
@@ -1,6 +1,6 @@
 require "../../../spec_helper"
 
-Spectator.describe "Double DSL" do
+Spectator.describe "Double DSL", :smoke do
   context "specifying methods as keyword args" do
     double(:test, foo: "foobar", bar: 42)
     subject(dbl) { double(:test) }
diff --git a/spec/spectator/dsl/mocks/stub_spec.cr b/spec/spectator/dsl/mocks/stub_spec.cr
index 586a1b9..545871a 100644
--- a/spec/spectator/dsl/mocks/stub_spec.cr
+++ b/spec/spectator/dsl/mocks/stub_spec.cr
@@ -1,6 +1,6 @@
 require "../../../spec_helper"
 
-Spectator.describe "Stub DSL" do
+Spectator.describe "Stub DSL", :smoke do
   double(:foobar, foo: 42, bar: "baz") do
     stub abstract def other : String
     stub abstract def null : Nil