diff --git a/Project.toml b/Project.toml
index e669c10..4fbd1bc 100644
--- a/Project.toml
+++ b/Project.toml
@@ -15,11 +15,15 @@ TimeZones = "f269a46b-ccf7-5d73-abea-4c690281aa53"
 UUIDs = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
 
 [compat]
+Base64 = "1"
+Dates = "1"
 HTTP = "0.8.19, 0.9, 1"
 JSON3 = "1.5.1"
+Mmap = "1"
 SaferIntegers = "2.5.1, 3"
 StructTypes = "1.2.3"
 TimeZones = "1.5.2"
+UUIDs = "1"
 julia = "1.4"
 
 [extras]