diff --git a/installer/install-kotlin-language-server.cmd b/installer/install-kotlin-language-server.cmd
index 144ed3d7..d8f3c4ba 100644
--- a/installer/install-kotlin-language-server.cmd
+++ b/installer/install-kotlin-language-server.cmd
@@ -1,7 +1,7 @@
 @echo off
 
 setlocal
-set VERSION=0.5.2
+set VERSION=1.3.3
 curl -L -o server.zip "https://github.com/fwcd/kotlin-language-server/releases/download/%VERSION%/server.zip"
 call "%~dp0\run_unzip.cmd" server.zip
 del server.zip
diff --git a/installer/install-kotlin-language-server.sh b/installer/install-kotlin-language-server.sh
index 016bf5a0..690cf598 100755
--- a/installer/install-kotlin-language-server.sh
+++ b/installer/install-kotlin-language-server.sh
@@ -2,7 +2,7 @@
 
 set -e
 
-version="0.5.2"
+version="1.3.3"
 curl -L -o server.zip "https://github.com/fwcd/kotlin-language-server/releases/download/$version/server.zip"
 unzip server.zip
 rm server.zip