diff --git a/lib/jasmine-core/boot.js b/lib/jasmine-core/boot.js
index 0b5af405..048ac2ba 100644
--- a/lib/jasmine-core/boot.js
+++ b/lib/jasmine-core/boot.js
@@ -162,4 +162,6 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     return destination;
   }
 
+  env.deprecated('boot.js is deprecated. Please use boot0.js and boot1.js instead.',
+    { ignoreRunnable: true });
 }());
diff --git a/lib/jasmine-core/boot/boot.js b/lib/jasmine-core/boot/boot.js
index b52272df..7354f283 100644
--- a/lib/jasmine-core/boot/boot.js
+++ b/lib/jasmine-core/boot/boot.js
@@ -140,4 +140,6 @@
     return destination;
   }
 
+  env.deprecated('boot.js is deprecated. Please use boot0.js and boot1.js instead.',
+    { ignoreRunnable: true });
 }());