diff --git a/src/ImageSharp/project.json b/src/ImageSharp/project.json
index e78bc6f4d1..443e00686b 100644
--- a/src/ImageSharp/project.json
+++ b/src/ImageSharp/project.json
@@ -29,7 +29,8 @@
   "configurations": {
     "Release": {
       "buildOptions": {
-        "warningsAsErrors": true
+        "warningsAsErrors": true,
+        "optimize": true
       }
     }
   },