diff --git a/readme.md b/readme.md
index 2f6c119..94e3b44 100644
--- a/readme.md
+++ b/readme.md
@@ -179,9 +179,9 @@ source /opt/.profile
 # final binary: /opt/kotlinc/bin/kotlinc
 # get version: /opt/kotlinc/bin/kotlinc -version
 cd /opt
-wget https://github.com/JetBrains/kotlin/releases/download/v1.3.72/kotlin-compiler-1.3.72.zip
-unzip kotlin-compiler-1.3.72.zip
-rm kotlin-compiler-1.3.72.zip
+wget https://github.com/JetBrains/kotlin/releases/download/v1.4.10/kotlin-compiler-1.4.10.zip
+unzip kotlin-compiler-1.4.10.zip
+rm kotlin-compiler-1.4.10.zip
 echo 'export PATH=$PATH:/opt/kotlinc/bin' >> /opt/.profile
 source /opt/.profile