diff --git a/Cargo.toml b/Cargo.toml
index 6e70b3a..a5fb37d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,10 +11,10 @@ publish = false
 
 [dependencies]
 reqwest = { version = "0.11" }
-tokio = { version = "1", features = ["full"] }
+tokio = { version = ">=1.13.1", features = ["full"] }
 scraper = "0.13"
-regex = "1"
-chrono = "0.4"
+regex = ">=1.5.5"
+chrono = ">=0.4.20"
 ics = "0.5"
 uuid = { version = "1.1", features = ["v4", "fast-rng"] }
 clap = { version = "3.2", features = ["derive"] }