diff --git a/doc/dev.md b/doc/dev.md
index 055f91dc..50c9dcb5 100644
--- a/doc/dev.md
+++ b/doc/dev.md
@@ -1,6 +1,6 @@
 # Developing Babashka
 
-You need [lein](https://leiningen.org/) for running JVM tests and/or producing uberjars. For building binaries you need GraalVM. Currently we use java8-19.3.1.
+You need [lein](https://leiningen.org/) for running JVM tests and/or producing uberjars. For building binaries you need GraalVM. Currently we use java11-20.1.0.
 
 ## Clone repository
 
diff --git a/script/bump_graal_version.clj b/script/bump_graal_version.clj
index 50c20152..a1dda208 100755
--- a/script/bump_graal_version.clj
+++ b/script/bump_graal_version.clj
@@ -38,6 +38,7 @@
 
 (def files-to-edit
   ["Dockerfile"
+   "doc/dev.md"
    ".github/workflows/build.yml"
    ".circleci/config.yml"
    "appveyor.yml"])