diff --git a/build.gradle b/build.gradle
index e9632def..9c40b676 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.2.0'
+    ext.kotlin_version = '1.2.10'
     repositories {
         jcenter()
         google()
diff --git a/library/build.gradle b/library/build.gradle
index b16fa656..e2ded5d9 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -11,6 +11,8 @@ android {
         targetSdkVersion TARGET_SDK
         versionCode 1
         versionName version
+
+        consumerProguardFiles 'lib-proguard-rules.pro'
     }
 }
 
diff --git a/library/lib-proguard-rules.pro b/library/lib-proguard-rules.pro
new file mode 100644
index 00000000..6aeb39dd
--- /dev/null
+++ b/library/lib-proguard-rules.pro
@@ -0,0 +1 @@
+-keep class ru.noties.markwon.** { *; }
\ No newline at end of file