diff --git a/steps/04-install-extras.sh b/steps/04-install-extras.sh
index 61d978a..cdad61c 100755
--- a/steps/04-install-extras.sh
+++ b/steps/04-install-extras.sh
@@ -15,10 +15,11 @@ case "$OS" in
 
   android)
     # User moder dependency installer
-    REPO="https://chromium.googlesource.com/chromium/src/build.git/+/6f78132b7587bc8532006c2f233aaf0a1a5818c3"
-    curl "$REPO/install-build-deps.sh?format=TEXT" | base64 --decode > build/install-build-deps.sh
-    curl "$REPO/install-build-deps.py?format=TEXT" | base64 --decode > build/install-build-deps.py
-    
+    COMMIT=6f78132b7587bc8532006c2f233aaf0a1a5818c3
+    REPO="https://chromium.googlesource.com/chromium/src/build.git/+"
+    curl "$REPO/$COMMIT/install-build-deps.sh?format=TEXT" | base64 --decode > build/install-build-deps.sh && chmod +x build/install-build-deps.sh
+    curl "$REPO/$COMMIT/install-build-deps.py?format=TEXT" | base64 --decode > build/install-build-deps.py && chmod +x build/install-build-deps.py
+
     build/install-build-deps.sh --android
     gclient runhooks
     ;;