diff --git a/exercises/practice/space-age/.meta/generator.tpl b/exercises/practice/space-age/.meta/generator.tpl
index 4068788b2..4b23a9a10 100644
--- a/exercises/practice/space-age/.meta/generator.tpl
+++ b/exercises/practice/space-age/.meta/generator.tpl
@@ -8,7 +8,7 @@
          (Math/round (* 100.0 actual)))))
 
 {{#test_cases.age}}
-(deftest on-{{input.planet}}_test_1
+(deftest ^:on-{{input.planet}} on-{{input.planet}}_test_1
   (testing {{context}}  
     (rounds-to {{expected}} (space-age/on-{{input.planet}} {{input.seconds}}))))
 {{/test_cases.age}}
diff --git a/exercises/practice/space-age/project.clj b/exercises/practice/space-age/project.clj
index 1698c69bd..09ccf5842 100644
--- a/exercises/practice/space-age/project.clj
+++ b/exercises/practice/space-age/project.clj
@@ -1,4 +1,12 @@
 (defproject space-age "0.1.0-SNAPSHOT"
   :description "space-age exercise."
   :url "https://github.com/exercism/clojure/tree/main/exercises/practice/space-age"
-  :dependencies [[org.clojure/clojure "1.12.0"]])
+  :dependencies [[org.clojure/clojure "1.12.0"]]
+  :test-selectors {:on-earth :on-earth
+                   :on-mercury :on-mercury
+                   :on-venus :on-venus
+                   :on-mars :on-mars
+                   :on-jupiter :on-jupiter
+                   :on-saturn :on-saturn
+                   :on-uranus :on-uranus
+                   :on-neptune :on-neptune})
diff --git a/exercises/practice/space-age/test/space_age_test.clj b/exercises/practice/space-age/test/space_age_test.clj
index 110321835..c1b6efe00 100644
--- a/exercises/practice/space-age/test/space_age_test.clj
+++ b/exercises/practice/space-age/test/space_age_test.clj
@@ -7,34 +7,34 @@
   (is (= (Math/round (* 100.0 expected))
          (Math/round (* 100.0 actual)))))
 
-(deftest on-earth_test_1
+(deftest ^:on-earth on-earth_test_1
   (testing "age on Earth"
     (rounds-to 31.69 (space-age/on-earth 1000000000))))
 
-(deftest on-mercury_test_1
+(deftest ^:on-mercury on-mercury_test_1
   (testing "age on Mercury"
     (rounds-to 280.88 (space-age/on-mercury 2134835688))))
 
-(deftest on-venus_test_1
+(deftest ^:on-venus on-venus_test_1
   (testing "age on Venus"
     (rounds-to 9.78 (space-age/on-venus 189839836))))
 
-(deftest on-mars_test_1
+(deftest ^:on-mars on-mars_test_1
   (testing "age on Mars"
     (rounds-to 35.88 (space-age/on-mars 2129871239))))
 
-(deftest on-jupiter_test_1
+(deftest ^:on-jupiter on-jupiter_test_1
   (testing "age on Jupiter"
     (rounds-to 2.41 (space-age/on-jupiter 901876382))))
 
-(deftest on-saturn_test_1
+(deftest ^:on-saturn on-saturn_test_1
   (testing "age on Saturn"
     (rounds-to 2.15 (space-age/on-saturn 2000000000))))
 
-(deftest on-uranus_test_1
+(deftest ^:on-uranus on-uranus_test_1
   (testing "age on Uranus"
     (rounds-to 0.46 (space-age/on-uranus 1210123456))))
 
-(deftest on-neptune_test_1
+(deftest ^:on-neptune on-neptune_test_1
   (testing "age on Neptune"
     (rounds-to 0.35 (space-age/on-neptune 1821023456))))