diff --git a/circle.yml b/circle.yml
index 9f714af..81e0eff 100644
--- a/circle.yml
+++ b/circle.yml
@@ -23,7 +23,7 @@ test:
         CODE_SIGN_IDENTITY=
         PROVISIONING_PROFILE=
         -sdk iphonesimulator
-        -destination 'platform=iOS Simulator,OS=9.2,name=iPhone 6s'
+        -destination 'platform=iOS Simulator,OS=9.3,name=iPhone 6s'
         -workspace Heimdallr.xcworkspace
         -scheme Heimdallr-iOS
         -configuration Debug
@@ -45,7 +45,7 @@ test:
         CODE_SIGN_IDENTITY=
         PROVISIONING_PROFILE=
         -sdk iphonesimulator
-        -destination 'platform=iOS Simulator,OS=9.2,name=iPhone 6s'
+        -destination 'platform=iOS Simulator,OS=9.3,name=iPhone 6s'
         -workspace Heimdallr.xcworkspace
         -scheme ReactiveHeimdallr-iOS
         -configuration Debug