diff --git a/.bun-version b/.bun-version
index 95b25ae..d4c4950 100644
--- a/.bun-version
+++ b/.bun-version
@@ -1 +1 @@
-1.3.6
+1.3.9
diff --git a/Dockerfile b/Dockerfile
index f7be4bb..dffcd12 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM oven/bun:1.3.6 AS base
+FROM oven/bun:1.3.9@sha256:856da45d07aeb62eb38ea3e7f9e1794c0143a4ff63efb00e6c4491b627e2a521 AS base
 
 WORKDIR /app