diff --git a/src/ImageSharp.Drawing/project.json b/src/ImageSharp.Drawing/project.json
index 147044fb93..65501dfd7b 100644
--- a/src/ImageSharp.Drawing/project.json
+++ b/src/ImageSharp.Drawing/project.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.0.0-*",
+  "version": "1.0.0-alpha1-*",
   "title": "ImageSharp.Drawing",
   "description": "A cross-platform library for the processing of image files; written in C#",
   "authors": [
diff --git a/src/ImageSharp.Formats.Bmp/project.json b/src/ImageSharp.Formats.Bmp/project.json
index d661464919..25ec1beb84 100644
--- a/src/ImageSharp.Formats.Bmp/project.json
+++ b/src/ImageSharp.Formats.Bmp/project.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.0.0-*",
+  "version": "1.0.0-alpha1-*",
   "title": "ImageSharp.Formats.Bmp",
   "description": "A cross-platform library for the processing of image files; written in C#",
   "authors": [
diff --git a/src/ImageSharp.Formats.Gif/project.json b/src/ImageSharp.Formats.Gif/project.json
index 304e932330..05531ef295 100644
--- a/src/ImageSharp.Formats.Gif/project.json
+++ b/src/ImageSharp.Formats.Gif/project.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.0.0-*",
+  "version": "1.0.0-alpha1-*",
   "title": "ImageSharp.Formats.Gif",
   "description": "A cross-platform library for the processing of image files; written in C#",
   "authors": [
diff --git a/src/ImageSharp.Formats.Jpeg/project.json b/src/ImageSharp.Formats.Jpeg/project.json
index e1d3017550..48893fbb2d 100644
--- a/src/ImageSharp.Formats.Jpeg/project.json
+++ b/src/ImageSharp.Formats.Jpeg/project.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.0.0-*",
+  "version": "1.0.0-alpha1-*",
   "title": "ImageSharp.Formats.Jpeg",
   "description": "A cross-platform library for the processing of image files; written in C#",
   "authors": [
diff --git a/src/ImageSharp.Formats.Png/project.json b/src/ImageSharp.Formats.Png/project.json
index b62248f0fa..50e9b91da4 100644
--- a/src/ImageSharp.Formats.Png/project.json
+++ b/src/ImageSharp.Formats.Png/project.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.0.0-*",
+  "version": "1.0.0-alpha1-*",
   "title": "ImageSharp.Formats",
   "description": "A cross-platform library for the processing of image files; written in C#",
   "authors": [
diff --git a/src/ImageSharp.Formats/project.json b/src/ImageSharp.Formats/project.json
index 37d1b25443..6eae3985a5 100644
--- a/src/ImageSharp.Formats/project.json
+++ b/src/ImageSharp.Formats/project.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.0.0-*",
+  "version": "1.0.0-alpha1-*",
   "title": "ImageSharp.Formats",
   "description": "A cross-platform library for the processing of image files; written in C#",
   "authors": [
diff --git a/src/ImageSharp/project.json b/src/ImageSharp/project.json
index b8898f317c..5efd1fdb24 100644
--- a/src/ImageSharp/project.json
+++ b/src/ImageSharp/project.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.0.0-*",
+  "version": "1.0.0-alpha1-*",
   "title": "ImageSharp",
   "description": "A cross-platform library for the processing of image files; written in C#",
   "authors": [