diff --git a/go.mod b/go.mod
index a53a7fe..a5d8033 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/flamego/captcha
 
-go 1.24
+go 1.24.0
 
 require (
 	github.com/flamego/flamego v1.9.7
@@ -8,7 +8,7 @@ require (
 	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0
 	github.com/pkg/errors v0.9.1
 	github.com/stretchr/testify v1.10.0
-	golang.org/x/image v0.29.0
+	golang.org/x/image v0.32.0
 )
 
 require (
diff --git a/go.sum b/go.sum
index 1f2ff1f..e05cf74 100644
--- a/go.sum
+++ b/go.sum
@@ -51,8 +51,8 @@ github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavM
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
-golang.org/x/image v0.29.0 h1:HcdsyR4Gsuys/Axh0rDEmlBmB68rW1U9BUdB3UVHsas=
-golang.org/x/image v0.29.0/go.mod h1:RVJROnf3SLK8d26OW91j4FrIHGbsJ8QnbEocVTOWQDA=
+golang.org/x/image v0.32.0 h1:6lZQWq75h7L5IWNk0r+SCpUJ6tUVd3v4ZHnbRKLkUDQ=
+golang.org/x/image v0.32.0/go.mod h1:/R37rrQmKXtO6tYXAjtDLwQgFLHmhW+V6ayXlxzP2Pc=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
 golang.org/x/sys v0.30.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=