diff --git a/docker-compose.yml b/docker-compose.yml
index 013b63e..fb8a992 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3'
 
 services:
   app:
-    image: crystallang/crystal:0.29.0
+    image: crystallang/crystal:0.35.1
     working_dir: /app
     environment:
       EDA_ENV: ${MULTI_AUTH_ENV}
diff --git a/shard.yml b/shard.yml
index 834e1f1..7cd7724 100644
--- a/shard.yml
+++ b/shard.yml
@@ -4,7 +4,7 @@ version: 1.0.0
 authors:
   - Sergey Makridenkov <s@msa7.ru>
 
-crystal: 0.29.0
+crystal: 0.35.1
 
 license: MIT