bump v1.1 test version
diff --git a/tfexec/internal/testutil/tfcache.go b/tfexec/internal/testutil/tfcache.go
index 3ca704f..7d4919c 100644
--- a/tfexec/internal/testutil/tfcache.go
+++ b/tfexec/internal/testutil/tfcache.go
@@ -18,7 +18,7 @@
 	Latest014   = "0.14.11"
 	Latest015   = "0.15.5"
 	Latest_v1   = "1.0.11"
-	Latest_v1_1 = "1.1.4"
+	Latest_v1_1 = "1.1.9"
 )
 
 const appendUserAgent = "tfexec-testutil"