diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2a94be27ce..603df88054 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -16,7 +16,7 @@ on:
       - 17x
 
 env:
-  EFFEKSEER_VERSION: 170b
+  EFFEKSEER_VERSION: 170e
 
 jobs:
   tests:
diff --git a/Dev/Editor/EffekseerCore/Core.cs b/Dev/Editor/EffekseerCore/Core.cs
index aebffddb72..b566312883 100644
--- a/Dev/Editor/EffekseerCore/Core.cs
+++ b/Dev/Editor/EffekseerCore/Core.cs
@@ -187,7 +187,7 @@ public override string ToString()
 
 	public class Core
 	{
-		public const string Version = "1.70b";
+		public const string Version = "1.70e";
 
 		public const string OptionFilePath = "config.option.xml";