diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3728b119..5263e9b9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Xcodeproj Changelog
 
-## Master
+## 1.20.0 (2021-07-05)
 
 ##### Enhancements
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 6bae37a7..5c229504 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/CocoaPods/CLAide
-  revision: b5ced9cc141df732e8027078543eb92fc6447567
+  revision: a5d1a29b08ca88f90f47104805bc4fad2efc93c9
   specs:
     claide (1.0.3)
 
@@ -14,7 +14,7 @@ GIT
 PATH
   remote: .
   specs:
-    xcodeproj (1.19.0)
+    xcodeproj (1.20.0)
       CFPropertyList (>= 2.3.3, < 4.0)
       atomos (~> 0.1.3)
       claide (>= 1.0.2, < 2.0)
@@ -25,7 +25,7 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    CFPropertyList (3.0.2)
+    CFPropertyList (3.0.3)
     addressable (2.5.1)
       public_suffix (~> 2.0, >= 2.0.2)
     ast (2.3.0)
diff --git a/lib/xcodeproj/gem_version.rb b/lib/xcodeproj/gem_version.rb
index 0fd42b77..e7fd022d 100644
--- a/lib/xcodeproj/gem_version.rb
+++ b/lib/xcodeproj/gem_version.rb
@@ -1,5 +1,5 @@
 module Xcodeproj
   # The version of the xcodeproj gem.
   #
-  VERSION = '1.19.0'.freeze unless defined? Xcodeproj::VERSION
+  VERSION = '1.20.0'.freeze unless defined? Xcodeproj::VERSION
 end