diff --git a/.github/workflows/optimize-images.yml b/.github/workflows/optimize-images.yml
new file mode 100644
index 0000000..16d85ce
--- /dev/null
+++ b/.github/workflows/optimize-images.yml
@@ -0,0 +1,17 @@
+name: Optimize images
+
+on:
+  pull_request:
+    branches: [ master, main, release/** ]
+    paths:
+      - "**/*.png"
+
+  push:
+    branches: [ master, main, release/** ]
+    paths:
+      - "**/*.png"
+
+jobs:
+  optimize-images:
+    uses: GTNewHorizons/GTNH-Actions-Workflows/.github/workflows/optimize-images.yml@master
+    secrets: inherit
diff --git a/src/main/resources/assets/microblock/textures/items/saw.png b/src/main/resources/assets/microblock/textures/items/saw.png
index 25a0f84..900a08d 100644
Binary files a/src/main/resources/assets/microblock/textures/items/saw.png and b/src/main/resources/assets/microblock/textures/items/saw.png differ
diff --git a/src/main/resources/assets/microblock/textures/items/sawDiamond.png b/src/main/resources/assets/microblock/textures/items/sawDiamond.png
index 8ee33a1..d59ed77 100644
Binary files a/src/main/resources/assets/microblock/textures/items/sawDiamond.png and b/src/main/resources/assets/microblock/textures/items/sawDiamond.png differ
diff --git a/src/main/resources/assets/microblock/textures/items/sawIron.png b/src/main/resources/assets/microblock/textures/items/sawIron.png
index b8d2845..be5649a 100644
Binary files a/src/main/resources/assets/microblock/textures/items/sawIron.png and b/src/main/resources/assets/microblock/textures/items/sawIron.png differ
diff --git a/src/main/resources/assets/microblock/textures/items/sawStone.png b/src/main/resources/assets/microblock/textures/items/sawStone.png
index e44c630..4fbdf06 100644
Binary files a/src/main/resources/assets/microblock/textures/items/sawStone.png and b/src/main/resources/assets/microblock/textures/items/sawStone.png differ
diff --git a/src/main/resources/assets/microblock/textures/items/stoneRod.png b/src/main/resources/assets/microblock/textures/items/stoneRod.png
index fc7d51d..ff05004 100644
Binary files a/src/main/resources/assets/microblock/textures/items/stoneRod.png and b/src/main/resources/assets/microblock/textures/items/stoneRod.png differ