diff --git a/buildDocs/build.gradle.kts b/buildDocs/build.gradle.kts
index 32f0f633..a6851c20 100644
--- a/buildDocs/build.gradle.kts
+++ b/buildDocs/build.gradle.kts
@@ -26,9 +26,9 @@ tasks {
         }
     }
 
-    // Install latest docfx
+    // Install or update to `docfx`
     val installDocfx = register<Exec>("updateDocfx") {
-        commandLine("dotnet", "tool", "install", "-g", "docfx", "--version", "2.77.0")
+        commandLine("dotnet", "tool", "update", "-g", "docfx", "--version", "2.77.0")
     }
 
     val npmBuild by registering(NpmTask::class) {