diff --git a/src/main/kotlin/com/parmet/buf/gradle/BufExtension.kt b/src/main/kotlin/com/parmet/buf/gradle/BufExtension.kt
index 94c8883e..8951f65d 100644
--- a/src/main/kotlin/com/parmet/buf/gradle/BufExtension.kt
+++ b/src/main/kotlin/com/parmet/buf/gradle/BufExtension.kt
@@ -50,7 +50,7 @@ open class BufExtension {
     /**
      * Specify the version of Buf.
      */
-    var toolVersion: String = "1.6.0"
+    var toolVersion: String = "1.8.0"
 
     internal var imageArtifactDetails: ArtifactDetails? = null