diff --git a/var/install.txt b/var/install.txt
index 14c0e04..cc95fbb 100644
--- a/var/install.txt
+++ b/var/install.txt
@@ -103,12 +103,12 @@ cd rust-1.49.0-x86_64-unknown-linux-gnu
 ./install.sh
 
 # install scala
-# final binary: /opt/scala/scala-2.12.13/bin/scala
-# get version: /opt/scala/scala-2.12.13/bin/scala -version
+# final binary: /opt/scala/scala3-3.0.0-M3/bin/scala
+# get version: /opt/scala/scala3-3.0.0-M3/bin/scala -version
 cd /opt && mkdir scala && cd scala
-wget https://downloads.lightbend.com/scala/2.12.13/scala-2.12.13.tgz
-tar -xzf scala-2.12.13.tgz
-echo 'export PATH=$PATH:/opt/scala/scala-2.12.13/bin' >> /opt/.profile
+wget https://github.com/lampepfl/dotty/releases/download/3.0.0-M3/scala3-3.0.0-M3.tar.gz
+tar -xzf scala3-3.0.0-M3.tar.gz
+echo 'export PATH=$PATH:/opt/scala/scala3-3.0.0-M3/bin' >> /opt/.profile
 source /opt/.profile
 
 # install swift