diff --git a/Package.swift b/Package.swift
index db42bb8..ecf7328 100644
--- a/Package.swift
+++ b/Package.swift
@@ -11,7 +11,7 @@ let package = Package(
         .library(name: "RxApolloClient", targets: ["RxApolloClient"])
     ],
     dependencies: [
-      .package(url: "https://github.com/apollographql/apollo-ios.git", from: "0.15.3"),
+      .package(url: "https://github.com/apollographql/apollo-ios.git", .upToNextMajor(from: "0.20.0")),
       .package(url: "https://github.com/ReactiveX/RxSwift.git", .upToNextMajor(from: "5.0.0")),
     ],
     targets: [
diff --git a/README.md b/README.md
index 1b00ea2..a8e6f68 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ $ sh get_gql.sh
 
 ## Dependencies
 - [RxSwift](https://github.com/ReactiveX/RxSwift) (>= 5.0)
-- [apollo-ios](https://github.com/apollographql/apollo-ios) (~> 0.15.3)
+- [apollo-ios](https://github.com/apollographql/apollo-ios) (~> 0.20.0)
 
 ## Requirements
 
diff --git a/RxApolloClient.podspec b/RxApolloClient.podspec
index 862aa62..85885cc 100644
--- a/RxApolloClient.podspec
+++ b/RxApolloClient.podspec
@@ -17,5 +17,5 @@ Pod::Spec.new do |s|
   s.source_files = 'Sources/**/*.{swift,h,m}'
   
   s.dependency 'RxSwift', '>= 5.0'
-  s.dependency 'Apollo', '~> 0.15.3'
+  s.dependency 'Apollo', '~> 0.20.0'
 end