diff --git a/dry-system.gemspec b/dry-system.gemspec
index b56ba99b..54824aca 100644
--- a/dry-system.gemspec
+++ b/dry-system.gemspec
@@ -33,5 +33,5 @@ Gem::Specification.new do |spec|
   spec.add_dependency "dry-auto_inject", "~> 1.1"
   spec.add_dependency "dry-configurable", "~> 1.3"
   spec.add_dependency "dry-core", "~> 1.1"
-  spec.add_dependency "dry-inflector", "~> 1.0"
+  spec.add_dependency "dry-inflector", "~> 1.1"
 end
diff --git a/project.yml b/project.yml
index b3c71dc0..9456cdac 100644
--- a/project.yml
+++ b/project.yml
@@ -4,12 +4,8 @@ gemspec:
   authors: ["Piotr Solnica"]
   email: ["piotr.solnica@gmail.com"]
   summary: "Organize your code into reusable components"
-  development_dependencies:
-    - bundler
-    - rake
-    - rspec
   runtime_dependencies:
-    - [dry-auto_inject, "~> 1.0"]
-    - [dry-core, "~> 1.0"]
-    - [dry-configurable, "~> 1.0"]
-    - [dry-inflector, "~> 1.0"]
+    - [dry-auto_inject, "~> 1.1"]
+    - [dry-core, "~> 1.1"]
+    - [dry-configurable, "~> 1.3"]
+    - [dry-inflector, "~> 1.1"]