diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index cec2bfc..6b2df08 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -20,4 +20,6 @@
 -keepattributes InnerClasses
 -dontwarn ch.qos.logback.core.net.**
 -assumenosideeffects class ch.qos.logback.** { *; }
--assumenosideeffects class org.slf4j.** { *; }
\ No newline at end of file
+-assumenosideeffects class org.slf4j.** { *; }
+-keep class com.crashlytics.** { *; }
+-dontwarn com.crashlytics.**
\ No newline at end of file