diff --git a/shard.yml b/shard.yml
index dfd6e56..0b7eaa2 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,10 +1,10 @@
 name: lucky_flow
-version: 0.6.2
+version: 0.6.3
 
 authors:
   - Paul Smith <paulcsmith0218@gmail.com>
 
-crystal: 0.31.1
+crystal: 0.34.0
 
 license: MIT
 
diff --git a/src/lucky_flow/server.cr b/src/lucky_flow/server.cr
index e8647aa..09dcd3b 100644
--- a/src/lucky_flow/server.cr
+++ b/src/lucky_flow/server.cr
@@ -41,18 +41,22 @@ class LuckyFlow::Server
     start_session
   end
 
-  private def start_session
-    driver = Selenium::Webdriver.new
-    Selenium::Session.new(driver, capabilities)
-
   # If less than 0.34.0
   {% if compare_versions(Crystal::VERSION, "0.34.0") == -1 %}
+    private def start_session
+      driver = Selenium::Webdriver.new
+      Selenium::Session.new(driver, capabilities)
     rescue e : Errno
+      retry_start_session(e)
+    end
   {% else %}
+    private def start_session
+      driver = Selenium::Webdriver.new
+      Selenium::Session.new(driver, capabilities)
     rescue e : IO::Error
+      retry_start_session(e)
+    end
   {% end %}
-    retry_start_session(e)
-  end
 
   private def retry_start_session(e)
     if Time.utc <= @retry_limit.not_nil!
diff --git a/src/lucky_flow/version.cr b/src/lucky_flow/version.cr
index 8f0fbe1..bd6ee67 100644
--- a/src/lucky_flow/version.cr
+++ b/src/lucky_flow/version.cr
@@ -1,3 +1,3 @@
 class LuckyFlow
-  VERSION = "0.6.2"
+  VERSION = "0.6.3"
 end