diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6c137a564..edee4e26b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,10 @@
 * Correct line number references with Xcode 13.  
   [John Fairhurst](https://github.com/johnfairh)
 
+* Support `union` declarations in Objective-C headers.  
+  [Brian Osborn](https://github.com/bosborn)
+  [John Fairhurst](https://github.com/johnfairh)
+
 ##### Bug Fixes
 
 * None.
diff --git a/SourceKitten b/SourceKitten
index d2cc8ee8a..eeb2bed8b 160000
--- a/SourceKitten
+++ b/SourceKitten
@@ -1 +1 @@
-Subproject commit d2cc8ee8a56db1b6269919a3372a4caa40cebedc
+Subproject commit eeb2bed8ba9c73a72843b7769dfce96c5dc8bc13
diff --git a/bin/sourcekitten b/bin/sourcekitten
index 0580ca923..1a83a78eb 100755
Binary files a/bin/sourcekitten and b/bin/sourcekitten differ
diff --git a/lib/jazzy/source_declaration/type.rb b/lib/jazzy/source_declaration/type.rb
index 6ab85a0bd..076071dde 100644
--- a/lib/jazzy/source_declaration/type.rb
+++ b/lib/jazzy/source_declaration/type.rb
@@ -255,6 +255,11 @@ def ==(other)
           dash: 'Struct',
           global: true,
         }.freeze,
+        'sourcekitten.source.lang.objc.decl.union' => {
+          jazzy: 'Union',
+          dash: 'Union',
+          global: true,
+        }.freeze,
         'sourcekitten.source.lang.objc.decl.field' => {
           jazzy: 'Field',
           dash: 'Field',
diff --git a/spec/integration_specs b/spec/integration_specs
index 4891788fb..55663efa5 160000
--- a/spec/integration_specs
+++ b/spec/integration_specs
@@ -1 +1 @@
-Subproject commit 4891788fbcabfd4967202b9a2151b0cca3c050b6
+Subproject commit 55663efa5dad0f3526c4b1cfa12a073c8c4704e1