diff --git a/Cargo.toml b/Cargo.toml
index 470d7e5..0f38eb6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,7 +33,7 @@ optional = true
 version = "0.3"
 
 [dependencies.digest]
-version = "0.6"
+version = "0.7"
 
 [dependencies.subtle]
 version = "^0.3"
@@ -41,10 +41,10 @@ default-features = false
 
 [dependencies.generic-array]
 # same version that digest depends on
-version = "^0.8"
+version = "0.9"
 
 [dev-dependencies.sha2]
-version = "0.6"
+version = "0.7"
 
 [dev-dependencies.serde_cbor]
 version = "0.6"
@@ -52,8 +52,8 @@ version = "0.6"
 [build-dependencies]
 subtle = "^0.3"
 rand = "0.3"
-generic-array = "^0.8"
-digest = "0.6"
+generic-array = "0.9"
+digest = "0.7"
 arrayref = "0.3.4"
 
 [build-dependencies.serde]