diff --git a/Package.resolved b/Package.resolved
index aad3e40..2353e02 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -5,8 +5,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/Flowduino/Observable.git",
       "state" : {
-        "revision" : "40f11bea890bf21428d3afd091aaa3347c167f1c",
-        "version" : "1.1.0"
+        "revision" : "d510e710900ea52bbfd9aa037addd708cbff526c",
+        "version" : "2.0.0"
       }
     },
     {
diff --git a/Package.swift b/Package.swift
index a2d7e4a..e11078a 100644
--- a/Package.swift
+++ b/Package.swift
@@ -20,7 +20,7 @@ let package = Package(
     dependencies: [
         // Dependencies declare other packages that this package depends on.
         .package(url: "https://github.com/Flowduino/ThreadSafeSwift.git", .upToNextMajor(from: "1.1.0")),
-        .package(url: "https://github.com/Flowduino/Observable.git", .upToNextMajor(from: "1.1.0")),
+        .package(url: "https://github.com/Flowduino/Observable.git", .upToNextMajor(from: "2.0.0")),
     ],
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.