diff --git a/sources/GeneratorSdk/version.json b/sources/GeneratorSdk/version.json
index 16e649d3a..9a6497cc5 100644
--- a/sources/GeneratorSdk/version.json
+++ b/sources/GeneratorSdk/version.json
@@ -1,6 +1,6 @@
 {
   "$schema": "https://raw.githubusercontent.com/dotnet/Nerdbank.GitVersioning/master/src/NerdBank.GitVersioning/version.schema.json",
-  "version": "0.27-preview",
+  "version": "0.28-preview",
   "assemblyVersion": {
     "precision": "revision"
   },
diff --git a/version.json b/version.json
index 2193e08f2..eb04327a5 100644
--- a/version.json
+++ b/version.json
@@ -1,6 +1,6 @@
 {
   "$schema": "https://raw.githubusercontent.com/dotnet/Nerdbank.GitVersioning/master/src/NerdBank.GitVersioning/version.schema.json",
-  "version": "27.0-preview",
+  "version": "28.0-preview",
   "assemblyVersion": {
     "precision": "revision"
   },