diff --git a/CHANGES.md b/CHANGES.md
index 542ec6c9fc..46a83b881c 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -17,7 +17,7 @@ SDK API changes ⚠️:
  - 
 
 Build 🧱:
- -
+ - Enable code optimization (Proguard)
 
 Other changes:
  -
diff --git a/vector/build.gradle b/vector/build.gradle
index 6177a0a5f4..e198344424 100644
--- a/vector/build.gradle
+++ b/vector/build.gradle
@@ -192,10 +192,10 @@ android {
             resValue "bool", "debug_mode", "false"
             buildConfigField "boolean", "LOW_PRIVACY_LOG_ENABLE", "false"
 
-
             postprocessing {
                 removeUnusedCode true
                 removeUnusedResources true
+                // We do not activate obfuscation as it makes it hard then to read crash reports, and it's a bit useless on an open source project :)
                 obfuscate false
                 optimizeCode true
                 proguardFiles 'proguard-rules.pro'