diff --git a/Earthfile b/Earthfile
index 98e1497..29a9ef1 100644
--- a/Earthfile
+++ b/Earthfile
@@ -3,7 +3,7 @@ VERSION --try --raw-output 0.8
 
 PROJECT crossplane-contrib/crossplane-diff
 
-ARG --global GO_VERSION=1.25.5
+ARG --global GO_VERSION=1.25.6
 
 fetch-crossplane-clusters:
   BUILD +fetch-crossplane-cluster \
diff --git a/go.mod b/go.mod
index 47b7f84..ce52455 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/crossplane-contrib/crossplane-diff
 
 go 1.24.0
 
-toolchain go1.25.5
+toolchain go1.25.6
 
 require (
 	dario.cat/mergo v1.0.2