diff --git a/Dockerfile b/Dockerfile
index eca5a96..d3d4afd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM crystallang/crystal:1.14.0-alpine as Builder
+FROM crystallang/crystal:1.15.1-alpine as Builder
 
 # install packages required to run the representer
 COPY . .
diff --git a/changelog.md b/changelog.md
index c8ae6cb..8caeb98 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,7 @@
+# 1.3.4
+
+- Bump Crystal to 1.15
+
 # 1.3.3
 
 - Bump Crystal to 1.14
diff --git a/shard.yml b/shard.yml
index 9c3a69a..cc515c7 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,5 +1,5 @@
 name: representer
-version: 1.3.2
+version: 1.3.4
 
 authors:
   - Meatball