diff --git a/docs/community/contributing.md b/docs/community/contributing.md
index 9cbff4814f..c78a3cb40f 100644
--- a/docs/community/contributing.md
+++ b/docs/community/contributing.md
@@ -56,7 +56,7 @@ The following commands must be sufficient enough to start with:
 
 ```bash
 curl -fsSL https://get.pnpm.io/install.sh | sh -
-pnpm env use --global 18
+pnpm env use --global 20
 ```
 
 You may also need to reload `.shrc` or `.bashrc` afterwards.
diff --git a/packages/mermaid/src/docs/community/contributing.md b/packages/mermaid/src/docs/community/contributing.md
index 195146a612..71048d0952 100644
--- a/packages/mermaid/src/docs/community/contributing.md
+++ b/packages/mermaid/src/docs/community/contributing.md
@@ -52,7 +52,7 @@ The following commands must be sufficient enough to start with:
 
 ```bash
 curl -fsSL https://get.pnpm.io/install.sh | sh -
-pnpm env use --global 18
+pnpm env use --global 20
 ```
 
 You may also need to reload `.shrc` or `.bashrc` afterwards.