diff --git a/AUTHORS.md b/AUTHORS.md
index e69de29bb2..d1898a3cf6 100644
--- a/AUTHORS.md
+++ b/AUTHORS.md
@@ -0,0 +1,35 @@
+A full developer contributors list can be found [here](https://github.com/vector-im/riotX-android/graphs/contributors). 
+
+# Core team:
+
+Even if we try to be able to work on all the functionalities, we have more knowledge about what we have developed ourselves.
+
+## Benoit: Android team leader
+
+[@benoit.marty:matrix.org](https://matrix.to/#/@benoit.marty:matrix.org)
+- Android team leader and project leader, Android developer, GitHub community manager.
+- Specialist of the account creation, and many other fun features.
+- Reviewing and polishing developed features, code quality manager, PRs reviewer, GitHub community manager.
+- Release manager on the Play Store
+
+## François: Software architect
+
+[@ganfra:matrix.org](https://matrix.to/#/@ganfra:matrix.org)
+- Software architect, Android developer
+- First developer on the project.
+- Work mainly on the global architecture of the project.
+- Specialist of the timeline, and lots of other features.
+
+## Valere: Product manager, Android developer
+
+[@valere35:matrix.org](https://matrix.to/#/@valere35:matrix.org)
+- Product manager, Android developer
+- Specialist on the crypto implementation.
+
+# Other contributors
+
+First of all, we thank all contributors who use RiotX and report problems on this GitHub project or via the integrated rageshake function.
+
+We do not forget all translators, for their work of translating RiotX into many languages. They are also the authors of RiotX.
+
+Feel free to add your name below, when you contribute to the project!
diff --git a/CHANGES.md b/CHANGES.md
index 91145eece4..965d3112d4 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -17,7 +17,7 @@ Translations 🗣:
  -
 
 Build 🧱:
- -
+ - Ensure builds are reproducible (#842)
 
 Changes in RiotX 0.13.0 (2020-01-17)
 ===================================================
diff --git a/matrix-sdk-android/build.gradle b/matrix-sdk-android/build.gradle
index 7a1348a54c..e510d11efb 100644
--- a/matrix-sdk-android/build.gradle
+++ b/matrix-sdk-android/build.gradle
@@ -74,7 +74,7 @@ android {
 }
 
 static def gitRevision() {
-    def cmd = "git rev-parse --short HEAD"
+    def cmd = "git rev-parse --short=8 HEAD"
     return cmd.execute().text.trim()
 }
 
diff --git a/vector/build.gradle b/vector/build.gradle
index 14ec9f2c21..a7a0d4afe8 100644
--- a/vector/build.gradle
+++ b/vector/build.gradle
@@ -45,7 +45,7 @@ def getVersionCode() {
 }
 
 static def gitRevision() {
-    def cmd = "git rev-parse --short HEAD"
+    def cmd = "git rev-parse --short=8 HEAD"
     return cmd.execute().text.trim()
 }