diff --git a/acra-core/proguard.cfg b/acra-core/proguard.cfg
index 9029a02d26..8d58b97c13 100644
--- a/acra-core/proguard.cfg
+++ b/acra-core/proguard.cfg
@@ -15,6 +15,9 @@
 # ACRA uses enum fields in annotations, so we have to keep those
 -keep enum org.acra.** {*;}
 
+# ACRA uses autodsl which accesses constructors using reflection
+-keepclassmembers class * implements org.acra.config.Configuration { <init>(...); }
+
 -dontwarn android.support.**
 
 -dontwarn com.faendir.kotlin.autodsl.DslInspect