diff --git a/CHANGELOG.md b/CHANGELOG.md
index dfe7472..de0d983 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+0.4.5
+
+- Removed `posix-spawn` dependency, used open3 instead (core funciontality), JRuby compatible (#24)
+
 0.4.4
 
 - Remove deprecated `width`, `height` config.
diff --git a/Gemfile.lock b/Gemfile.lock
index fb2770f..5edd2d6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    rucaptcha (0.4.4)
+    rucaptcha (0.4.5)
 
 GEM
   remote: https://rubygems.org/
diff --git a/lib/rucaptcha/version.rb b/lib/rucaptcha/version.rb
index bd2ba7e..983bde2 100644
--- a/lib/rucaptcha/version.rb
+++ b/lib/rucaptcha/version.rb
@@ -1,3 +1,3 @@
 module RuCaptcha
-  VERSION = '0.4.4'
+  VERSION = '0.4.5'
 end