Remove -dev.infinity in SDK upper constraint
diff --git a/pubspec.yaml b/pubspec.yaml
index 5b6337f..c6e118b 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -4,7 +4,7 @@
 homepage: https://github.com/dart-lang/http_throttle
 description: HTTP client middleware that throttles requests.
 environment:
-  sdk: ">=1.13.0 <2.0.0-dev.infinity"
+  sdk: ">=1.13.0 <2.0.0"
 dependencies:
   http: ">=0.9.0 <0.12.0"
   pool: ">=1.0.0 <2.0.0"