diff --git a/Project.toml b/Project.toml
index f8d2c93..1158b1f 100644
--- a/Project.toml
+++ b/Project.toml
@@ -3,5 +3,5 @@ GMT = "5752ebe1-31b9-557e-87aa-f909b540aa54"
 IJulia = "7073ff75-c697-5162-941a-fcdaad2a7d2a"
 
 [compat]
-julia = "1.7"
-GMT = "0.44.6"
+julia = "1.9"
+GMT = "1"