diff --git a/nimcrypto.nimble b/nimcrypto.nimble
index b43655b..3edc8b2 100644
--- a/nimcrypto.nimble
+++ b/nimcrypto.nimble
@@ -1,6 +1,6 @@
 # Package
 
-version       = "0.4.9"
+version       = "0.4.10"
 author        = "Eugene Kabanov"
 description   = "Nim cryptographic library"
 license       = "MIT"
diff --git a/nimcrypto/blake2.nim b/nimcrypto/blake2.nim
index 796c5d5..3c6506f 100644
--- a/nimcrypto/blake2.nim
+++ b/nimcrypto/blake2.nim
@@ -20,7 +20,7 @@ export hash
 {.deadCodeElim: on.}
 
 type
-  Blake2bContext[bits: static[int]] = object
+  Blake2bContext*[bits: static[int]] = object
     b: array[128, byte]
     h: array[8, uint64]
     t: array[2, uint64]
@@ -30,7 +30,7 @@ type
     tb: array[2, uint64]
     cb: int
 
-  Blake2sContext[bits: static[int]] = object
+  Blake2sContext*[bits: static[int]] = object
     b: array[64, byte]
     h: array[8, uint32]
     t: array[2, uint32]