diff --git a/go.mod b/go.mod
index d70f7dc..e4a4c97 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,4 @@ module github.com/agentine/prism
 
 go 1.25.0
 
-require golang.org/x/image v0.37.0
+require golang.org/x/image v0.40.0
diff --git a/go.sum b/go.sum
index 4fff278..7433329 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,2 @@
-golang.org/x/image v0.37.0 h1:ZiRjArKI8GwxZOoEtUfhrBtaCN+4b/7709dlT6SSnQA=
-golang.org/x/image v0.37.0/go.mod h1:/3f6vaXC+6CEanU4KJxbcUZyEePbyKbaLoDOe4ehFYY=
+golang.org/x/image v0.40.0 h1:Tw4GyDXMo+daZN1znreBRC3VayR1aLFUyUEOLUdW1a8=
+golang.org/x/image v0.40.0/go.mod h1:uIc348UZMSvS5Z65CVZ7iDPaNobNFEPeJ4kbqTOszmA=