diff --git a/appveyor.yml b/appveyor.yml
index 902b834e..a62bfe32 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -67,7 +67,7 @@ deploy:
     APPVEYOR_REPO_TAG: true
 - provider: NuGet
   api_key:
-    secure: yqARg8GA5EIFGPVpYPZeS3I5gjsByMvYLVfXylpC9mF33W4Z40tAmE9q0/yf2Xne
+    secure: KSGvC66WIcadFq9WgN+SQVRAkYFojRmqmmiDlJP4CqmpZOGcOgT0tgg1MkWw6glg
   on:
     APPVEYOR_REPO_TAG: true
 - provider: NuGet
diff --git a/version.json b/version.json
index aca061fd..bb597a47 100644
--- a/version.json
+++ b/version.json
@@ -1,6 +1,6 @@
 {
   "$schema": "https://raw.githubusercontent.com/dotnet/Nerdbank.GitVersioning/master/src/NerdBank.GitVersioning/version.schema.json",
-  "version": "1.6.0-alpha+{height}",
+  "version": "1.6.0-rc1+{height}",
   "semVer1NumericIdentifierPadding": 4,
   "publicReleaseRefSpec": [
     "^refs/tags/v\\d+\\.\\d+"