diff --git a/README.md b/README.md
index d546543..2b28376 100644
--- a/README.md
+++ b/README.md
@@ -99,11 +99,11 @@ Output:
 
 ▾ Visualization of Merkle Tree Proof
 
-<img src="https://user-images.githubusercontent.com/168240/43616387-27ec860a-9671-11e8-9f3f-0b871a6581a6.png" alt="Merkle Tree Proof" width="420">
+<img src="https://user-images.githubusercontent.com/168240/204968384-dbd16f5b-415c-4cc6-b993-5bbd7599ec8b.png" alt="Merkle Tree Proof" width="420">
 
 ▾ Visualization of Invalid Merkle Tree Proofs
 
-<img src="https://user-images.githubusercontent.com/168240/43616398-33e20584-9671-11e8-9f62-9f48ce412898.png" alt="Merkle Tree Proof" width="420">
+<img src="https://user-images.githubusercontent.com/168240/204968414-fefedb52-d27f-4b14-bf70-e3f96a50b6a3.png" alt="Merkle Tree Proof" width="420">
 
 ▾ Visualization of Bitcoin Merkle Tree
 
diff --git a/diagrams/merkle-tree-proof-fail.png b/diagrams/merkle-tree-proof-fail.png
index 5ee7e3d..b4f00ff 100644
Binary files a/diagrams/merkle-tree-proof-fail.png and b/diagrams/merkle-tree-proof-fail.png differ
diff --git a/diagrams/merkle-tree-proof-fail.xml b/diagrams/merkle-tree-proof-fail.xml
index b57ecd9..fc7f254 100644
--- a/diagrams/merkle-tree-proof-fail.xml
+++ b/diagrams/merkle-tree-proof-fail.xml
@@ -1 +1 @@
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diff --git a/diagrams/merkle-tree-proof.png b/diagrams/merkle-tree-proof.png
index ac86c66..222a883 100644
Binary files a/diagrams/merkle-tree-proof.png and b/diagrams/merkle-tree-proof.png differ
diff --git a/diagrams/merkle-tree-proof.xml b/diagrams/merkle-tree-proof.xml
index ea75163..9367972 100644
--- a/diagrams/merkle-tree-proof.xml
+++ b/diagrams/merkle-tree-proof.xml
@@ -1 +1,2 @@
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