diff --git a/docs/src/guide/installation.md b/docs/src/guide/installation.md
index 4543c21f..23c0bceb 100644
--- a/docs/src/guide/installation.md
+++ b/docs/src/guide/installation.md
@@ -2,5 +2,5 @@
 
 In an existing Foundry project, use `forge install`:
 ```
-$ forge install nomoixyz/vulcan@0.4.2
+$ forge install nomoixyz/vulcan@v0.4.2
 ```