diff --git a/test/it-test.rkt b/test/it-test.rkt
index 2ac7872..1ad2dac 100644
--- a/test/it-test.rkt
+++ b/test/it-test.rkt
@@ -1,8 +1,18 @@
 #lang racket
 
-(require anaphoric/it
-         rackunit
-         syntax/macro-testing)
+(require (for-syntax racket))
+(define-syntax (when-≥-6.3 stx)
+  (syntax-case stx ()
+    [(_ . body)
+     (if (let ([v (map string->number (string-split (version) "."))])
+           (and (>= (first v) 6) (>= (second v) 3)))
+         (syntax/loc stx (begin . body))
+         (syntax/loc stx (begin)))]))
 
-(check-exn #rx"Use of the \"it\" identifier is only allowed within anaphoric macros\\."
-           (lambda () (convert-compile-time-error it)))
+(when-≥-6.3
+ (require anaphoric/it
+          rackunit
+          syntax/macro-testing)
+
+ (check-exn #rx"Use of the \"it\" identifier is only allowed within anaphoric macros\\."
+            (lambda () (convert-compile-time-error it))))
\ No newline at end of file