diff --git a/shard.yml b/shard.yml
index 55cd26d..e9488a7 100644
--- a/shard.yml
+++ b/shard.yml
@@ -4,7 +4,7 @@ version: 1.2.0
 authors:
 - Andrew Hamon <andrew@hamon.cc>
 - Didactic Drunk <1479616+didactic-drunk@users.noreply.github.com>
-crystal: 0.31.1
+crystal: 0.36.0
 targets:
   pwhash_selector:
     main: examples/pwhash_selector.cr
diff --git a/src/sodium/digest/blake2b.cr b/src/sodium/digest/blake2b.cr
index 54fad4c..8fe9de9 100644
--- a/src/sodium/digest/blake2b.cr
+++ b/src/sodium/digest/blake2b.cr
@@ -1,8 +1,8 @@
 require "../lib_sodium"
 require "../wipe"
 require "../secure_buffer"
-require "digest/base"
-require "openssl/digest/digest_base"
+require "digest"
+require "openssl/digest"
 
 module Sodium::Digest
   # Hash data using Blake2b.
@@ -16,7 +16,7 @@ module Sodium::Digest
   # digest.update data
   # digest.hexfinal => String
   # ```
-  class Blake2b < ::Digest::Base
+  class Blake2b < ::Digest
     include Wipe
 
     Log = ::Log.for self
diff --git a/src/sodium/version.cr b/src/sodium/version.cr
index a49505c..e8695ad 100644
--- a/src/sodium/version.cr
+++ b/src/sodium/version.cr
@@ -1,3 +1,3 @@
 module Sodium
-  VERSION = "1.2.0"
+  VERSION = "1.2.1"
 end