diff --git a/Dockerfile b/Dockerfile
index de4171e..757eb82 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.24 as builder
+FROM golang:1.25 as builder
 COPY . /castor
 RUN cd /castor && CGO_ENABLED=0 go build
 
diff --git a/go.mod b/go.mod
index 86dd3d2..3ee00b8 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module git.yetaga.in/alazyreader/castor
 
-go 1.18
+go 1.25.1