diff --git a/libraries/designsystem/build.gradle.kts b/libraries/designsystem/build.gradle.kts
index c159659fb0..9ef66f7b2f 100644
--- a/libraries/designsystem/build.gradle.kts
+++ b/libraries/designsystem/build.gradle.kts
@@ -23,7 +23,7 @@ android {
 
     buildTypes {
         getByName("release") {
-            consumerProguardFiles("consumer-rules.pro")
+            consumerProguardFiles("consumer-rules.keep")
         }
     }
 }
diff --git a/libraries/designsystem/consumer-rules.keep b/libraries/designsystem/consumer-rules.keep
new file mode 100644
index 0000000000..c84e1c0613
--- /dev/null
+++ b/libraries/designsystem/consumer-rules.keep
@@ -0,0 +1,5 @@
+# Showkase generates this class, and Showkase's ShowkaseBrowserActivity loads it reflectively with
+# Class.forName(...).getDeclaredConstructor().newInstance(), so its constructor must be kept too.
+-keep class io.element.android.libraries.designsystem.showkase.DesignSystemShowkaseRootModuleCodegen {
+    <init>();
+}
diff --git a/libraries/designsystem/consumer-rules.pro b/libraries/designsystem/consumer-rules.pro
deleted file mode 100644
index dabf5661a4..0000000000
--- a/libraries/designsystem/consumer-rules.pro
+++ /dev/null
@@ -1,23 +0,0 @@
-# Add project specific ProGuard rules here.
-# You can control the set of applied configuration files using the
-# proguardFiles setting in build.gradle.kts.
-#
-# For more details, see
-#   http://developer.android.com/guide/developing/tools/proguard.html
-
-# If your project uses WebView with JS, uncomment the following
-# and specify the fully qualified class name to the JavaScript interface
-# class:
-#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
-#   public *;
-#}
-
-# Uncomment this to preserve the line number information for
-# debugging stack traces.
-#-keepattributes SourceFile,LineNumberTable
-
-# If you keep the line number information, uncomment this to
-# hide the original source file name.
-#-renamesourcefileattribute SourceFile
-
--keep class io.element.android.libraries.designsystem.showkase.DesignSystemShowkaseRootModuleCodegen { }