diff --git a/pubspec.yaml b/pubspec.yaml
index ef682c5..3e10a63 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -15,7 +15,7 @@ dependencies:
   olm:
     git:
       url: https://gitlab.com/famedly/libraries/dart-olm.git
-      ref: 09eb49dbdb1ad9ed71c6bf74562250ecd3d4198b
+      ref: 307dc133867eb5bf80d4f5c7412e58621dfca3cf
 
 dev_dependencies:
   test: ^1.0.0