diff --git a/docs/test_cases.md b/docs/test_cases.md
index ce38fb7b..52ec0443 100644
--- a/docs/test_cases.md
+++ b/docs/test_cases.md
@@ -40,5 +40,6 @@
  * [t30001](./test_cases/t30001.md) - Basic package diagram test case
  * [t30002](./test_cases/t30002.md) - Package dependency test case
  * [t30003](./test_cases/t30003.md) - Package deprecated attribute test case
+ * [t30004](./test_cases/t30004.md) - PlantUML package decorators test case
 ## Configuration diagrams
  * [t90000](./test_cases/t90000.md) - Basic config test
diff --git a/docs/test_cases/t30004.md b/docs/test_cases/t30004.md
new file mode 100644
index 00000000..1dbcee6c
--- /dev/null
+++ b/docs/test_cases/t30004.md
@@ -0,0 +1,56 @@
+# t30004 - PlantUML package decorators test case
+## Config
+```yaml
+compilation_database_dir: ..
+output_directory: puml
+diagrams:
+  t30004_package:
+    type: package
+    glob:
+      - ../../tests/t30004/t30004.cc
+    include:
+      namespaces:
+        - clanguml::t30004
+    using_namespace:
+      - clanguml::t30004
+    plantuml:
+      before:
+        - "' t30004 test package diagram"
+```
+## Source code
+File t30004.cc
+```cpp
+namespace clanguml {
+namespace t30004 {
+
+/// @uml{style[#green]}
+namespace A {
+
+/// @uml{note[ bottom ] Package AAA.}
+namespace AAA {
+}
+
+/// \uml{note[right] Package BBB.}
+namespace BBB {
+}
+
+///
+/// @uml{note:t30004_package[bottom] CCCC package note.}
+/// This is package CCC.
+namespace CCC {
+}
+
+/// \uml{skip}
+namespace DDD {
+}
+
+/// @uml{style[#pink;line:red;line.bold;text:red]}
+/// \uml{note[top] We skipped DDD.}
+namespace EEE {
+}
+}
+}
+}
+```
+## Generated UML diagrams
+![t30004_package](./t30004_package.png "PlantUML package decorators test case")
diff --git a/docs/test_cases/t30004_package.png b/docs/test_cases/t30004_package.png
new file mode 100644
index 00000000..dd8d3a33
Binary files /dev/null and b/docs/test_cases/t30004_package.png differ
diff --git a/tests/test_cases.yaml b/tests/test_cases.yaml
index 5da62c3e..459ee487 100644
--- a/tests/test_cases.yaml
+++ b/tests/test_cases.yaml
@@ -116,6 +116,9 @@ test_cases:
     - name: t30003
       title: Package deprecated attribute test case
       description:
+    - name: t30004
+      title: PlantUML package decorators test case
+      description:
   Configuration diagrams:
     - name: t90000
       title: Basic config test