diff --git a/shard.yml b/shard.yml
index 27bf20c3..c3d0af88 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,6 +1,6 @@
 name: granite
 
-version: 0.23.2
+version: 0.23.4
 
 crystal: ">= 1.6.0, < 2.0.0"
 
@@ -13,18 +13,18 @@ license: MIT
 dependencies:
   db:
     github: crystal-lang/crystal-db
-    version: ~> 0.11.0
+    version: ~> 0.13.1
 
 development_dependencies:
   mysql:
     github: crystal-lang/crystal-mysql
-    version: ~> 0.14.0
+    version: ~> 0.16.0
   sqlite3:
     github: crystal-lang/crystal-sqlite3
-    version: ~> 0.19.0
+    version: ~> 0.21.0
   pg:
     github: will/crystal-pg
-    version: ~> 0.26.0
+    version: ~> 0.29.0
   ameba:
     github: crystal-ameba/ameba
     version: ~> 1.5.0
diff --git a/spec/granite_spec.cr b/spec/granite_spec.cr
index 2b40e935..3c61df2a 100644
--- a/spec/granite_spec.cr
+++ b/spec/granite_spec.cr
@@ -264,8 +264,7 @@ describe Granite::Base do
     describe "#to_yaml" do
       it "emits nil values when told" do
         t = TodoEmitNull.new(name: "test todo", priority: 20)
-        result = %(---\nid: \nname: test todo\npriority: 20\ncreated_at: \nupdated_at: \n)
-
+        result = %(---\nid:\nname: test todo\npriority: 20\ncreated_at:\nupdated_at:\n)
         t.to_yaml.should eq result
       end
 
diff --git a/spec/mocks/db_mock.cr b/spec/mocks/db_mock.cr
index 1c2a8646..7f6d8415 100644
--- a/spec/mocks/db_mock.cr
+++ b/spec/mocks/db_mock.cr
@@ -26,6 +26,7 @@ end
 
 class FakeConnection < DB::Connection
   def initialize
+    super(DB::Connection::Options.new)
     @context = FakeContext.new
     @prepared_statements = false
   end
diff --git a/src/granite/version.cr b/src/granite/version.cr
index 2be44f48..fb12f2ad 100644
--- a/src/granite/version.cr
+++ b/src/granite/version.cr
@@ -1,3 +1,3 @@
 module Granite
-  VERSION = "0.23.1"
+  VERSION = {{ `shards version #{__DIR__}`.strip.stringify }}
 end