diff --git a/LaunchServer/src/main/resources/experimental-build.json b/LaunchServer/src/main/resources/experimental-build.json
index ab148d00..8eb8f98e 100644
--- a/LaunchServer/src/main/resources/experimental-build.json
+++ b/LaunchServer/src/main/resources/experimental-build.json
@@ -1,4 +1,4 @@
 {
-  "features": [],
+  "features": ["sha1-hash"],
   "info": []
 }
\ No newline at end of file
diff --git a/LauncherCore/src/main/java/pro/gravit/launcher/hasher/HashedFile.java b/LauncherCore/src/main/java/pro/gravit/launcher/hasher/HashedFile.java
index 3f84ceb1..cc36bf50 100644
--- a/LauncherCore/src/main/java/pro/gravit/launcher/hasher/HashedFile.java
+++ b/LauncherCore/src/main/java/pro/gravit/launcher/hasher/HashedFile.java
@@ -13,7 +13,7 @@
 import java.util.Arrays;
 
 public final class HashedFile extends HashedEntry {
-    public static final DigestAlgorithm DIGEST_ALGO = DigestAlgorithm.MD5;
+    public static final DigestAlgorithm DIGEST_ALGO = DigestAlgorithm.SHA1;
 
     // Instance
     @LauncherNetworkAPI
diff --git a/LauncherCore/src/main/java/pro/gravit/utils/Version.java b/LauncherCore/src/main/java/pro/gravit/utils/Version.java
index 7c694318..d28d12d1 100644
--- a/LauncherCore/src/main/java/pro/gravit/utils/Version.java
+++ b/LauncherCore/src/main/java/pro/gravit/utils/Version.java
@@ -8,7 +8,7 @@ public final class Version implements Comparable<Version> {
     public static final int MINOR = 4;
     public static final int PATCH = 2;
     public static final int BUILD = 1;
-    public static final Version.Type RELEASE = Type.STABLE;
+    public static final Version.Type RELEASE = Type.EXPERIMENTAL;
     public final int major;
     public final int minor;
     public final int patch;