diff --git a/Cargo.toml b/Cargo.toml
index d213fb5..c91c583 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,15 +4,15 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-digest = "0.10.7"
-sha2 = "0.10.6"
-time = "0.3.21"
-x509-parser = "0.15.0"
+digest = "0.10"
+sha2 = "0.10"
+time = "0.3"
+x509-parser = "0.15"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies.rustls]
-version = "0.21.1"
+version = "0.21"
 features = [ "dangerous_configuration" ]
 
 [dependencies.serde]