diff --git a/1.-Software-Requirements--Specification.md b/1.-Software-Requirements--Specification.md
index 36b3cb8..08d884d 100644
--- a/1.-Software-Requirements--Specification.md
+++ b/1.-Software-Requirements--Specification.md
@@ -36,7 +36,7 @@ Another point is the support of additional model interfaces and the possibility
 For the file extraction it should be possible to choose between the versions 2.15 and 3.0 of the CAEX output format.
 
 # 2. Use Cases <a name="UC"/>
-![Untitled Diagram](https://user-images.githubusercontent.com/72601495/116783012-a8426900-aa8c-11eb-82c1-d1eff7afb342.png)
+![UC diagram](https://user-images.githubusercontent.com/36167515/140505883-759c8ff8-70de-4d16-981e-01e962eff625.png)
 
 _Figure 1 UC Diagram_