diff --git a/Changelog.md b/Changelog.md
index 380079a14..88e4303d8 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,19 @@
+## [15.3.0] - 2023-07-22
+
+### Changes
+
+For a full list of changes see [Full list of changes](https://github.com/jomjol/AI-on-the-edge-device/compare/v15.2.1...v15.2.4)
+
+#### Changed
+
+ - Updated PlatformIO to `6.3.2`
+ - Updated analog tflite files
+   - ana-cont_1207_s2_q.tflite
+   - dig-cont_0620_s3_q.tflite
+
+
+
+
 ## [15.2.4] - 2023-05-02
 
 ### Changes
diff --git a/sd-card/config/ana-class100_0170_s1_q.tflite b/sd-card/config/ana-class100_0170_s1_q.tflite
new file mode 100644
index 000000000..8ecddda33
Binary files /dev/null and b/sd-card/config/ana-class100_0170_s1_q.tflite differ
diff --git a/sd-card/config/ana-cont_1207_s2_q.tflite b/sd-card/config/ana-cont_1207_s2_q.tflite
new file mode 100644
index 000000000..3ff05babe
Binary files /dev/null and b/sd-card/config/ana-cont_1207_s2_q.tflite differ
diff --git a/sd-card/config/config.ini b/sd-card/config/config.ini
index 8a6ebb2ff..dc9955566 100644
--- a/sd-card/config/config.ini
+++ b/sd-card/config/config.ini
@@ -22,7 +22,7 @@ FlipImageSize = false
 /config/ref1.jpg 442 142
 
 [Digits]
-Model = /config/dig-cont_0611_s3_q.tflite
+Model = /config/dig-cont_0620_s3_q.tflite
 CNNGoodThreshold = 0.5
 ;ROIImagesLocation = /log/digit
 ;ROIImagesRetention = 3
@@ -31,7 +31,7 @@ main.dig2 343 126 30 54 false
 main.dig3 391 126 30 54 false
 
 [Analog]
-Model = /config/ana-cont_1206_s2_q.tflite
+Model = /config/ana-cont_1207_s2_q.tflite
 CNNGoodThreshold = 0.5
 ;ROIImagesLocation = /log/analog
 ;ROIImagesRetention = 3
diff --git a/sd-card/config/dig-cont_0620_s3_q.tflite b/sd-card/config/dig-cont_0620_s3_q.tflite
new file mode 100644
index 000000000..95932c748
Binary files /dev/null and b/sd-card/config/dig-cont_0620_s3_q.tflite differ