diff --git a/has b/has
index e3f8089..ea23b87 100755
--- a/has
+++ b/has
@@ -80,7 +80,7 @@ __detect(){
     grunt|brunch)           __dynamic_detect--version ${command} ;;
     ruby|gem|rake|bundle)   __dynamic_detect--version ${command} ;;
     python|python3)         __dynamic_detect--version ${command} ;;
-    perl|php|php5)          __dynamic_detect--version ${command} ;;
+    perl|perl6|php|php5)    __dynamic_detect--version ${command} ;;
     groovy|gradle|mvn)      __dynamic_detect--version ${command} ;;
     lein)                   __dynamic_detect--version ${command} ;;
     aws|eb|sls|gcloud)      __dynamic_detect--version ${command} ;;
@@ -88,7 +88,7 @@ __detect(){
 
     # commands that need -version flag
     ant|java|javac)         __dynamic_detect-version ${command} ;;
-    scala)                  __dynamic_detect-version ${command} ;;
+    scala|kotlin)           __dynamic_detect-version ${command} ;;
 
     # commands that need version arg
     hugo)                   __dynamic_detect-arg_version ${command} ;;