diff --git a/docs/source/todo.rst b/docs/source/todo.rst
index 643be61b3..2afc55f1d 100644
--- a/docs/source/todo.rst
+++ b/docs/source/todo.rst
@@ -20,8 +20,6 @@ For 9.0 major changes
 - rewrite 6502 codegen on Pt* ast and symboltable, instead of CompilerAst nodes. (work in codegen-on-new-ast branch)
     - optimize "dotted string" comments again.
 
-- update to kotlin 1.8.0 once it is available in IDEA
-
 
 Need help with
 ^^^^^^^^^^^^^^
diff --git a/gradle.properties b/gradle.properties
index 0eabd756d..0e5ad1737 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,4 +4,4 @@ org.gradle.parallel=true
 org.gradle.daemon=true
 kotlin.code.style=official
 javaVersion=11
-kotlinVersion=1.7.21
+kotlinVersion=1.8.0