diff --git a/client/android/app/build.gradle b/client/android/app/build.gradle
index 266006c..5cf209d 100644
--- a/client/android/app/build.gradle
+++ b/client/android/app/build.gradle
@@ -16,12 +16,22 @@ android {
     }
     signingConfigs {
         release {
+        if (file("my-release-key.jks").exists()) {
             storeFile file("my-release-key.jks")
-            storePassword RELEASE_KEY_PASSWORD
+            if (project.hasProperty("RELEASE_KEY_PASSWORD")) {
+                storePassword RELEASE_KEY_PASSWORD
+                keyPassword RELEASE_KEY_PASSWORD
+            } else if (System.getenv("RELEASE_KEY_PASSWORD") != null) {
+                storePassword System.getenv("RELEASE_KEY_PASSWORD")
+                keyPassword System.getenv("RELEASE_KEY_PASSWORD")
+            } else {
+                storePassword "missing_password"
+                keyPassword "missing_password"
+            }
             keyAlias "my-key-alias"
-            keyPassword RELEASE_KEY_PASSWORD
         }
     }
+    }
     buildTypes {
         release {
             signingConfig signingConfigs.release