diff --git a/claat/go.mod b/claat/go.mod
index 9c4cd9698..844e378a5 100644
--- a/claat/go.mod
+++ b/claat/go.mod
@@ -1,6 +1,6 @@
 module github.com/googlecodelabs/tools/claat
 
-go 1.22
+go 1.25.0
 
 require (
 	github.com/google/go-cmp v0.5.6
@@ -8,7 +8,7 @@ require (
 	github.com/x1ddos/csslex v0.0.0-20160125172232-7894d8ab8bfe
 	github.com/yuin/goldmark v1.7.14
 	github.com/yuin/goldmark-meta v1.1.0
-	golang.org/x/net v0.0.0-20210525063256-abc453219eb5
+	golang.org/x/net v0.55.0
 	golang.org/x/oauth2 v0.0.0-20210514164344-f6687ab2804c
 )
 
diff --git a/claat/go.sum b/claat/go.sum
index adc412ec1..c731cd754 100644
--- a/claat/go.sum
+++ b/claat/go.sum
@@ -192,8 +192,8 @@ golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/
 golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
-golang.org/x/net v0.0.0-20210525063256-abc453219eb5 h1:wjuX4b5yYQnEQHzd+CBcrcC6OVR2J1CN6mUy0oSxIPo=
-golang.org/x/net v0.0.0-20210525063256-abc453219eb5/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/net v0.55.0 h1:bcvxaJn3e1U6InsFWt1JUq1aSjnRxLzT2rtD2KfkDF8=
+golang.org/x/net v0.55.0/go.mod h1:L5U2KuzuOe1lY7Z+aWVIKK6qEeJXnXV9yzGA+WCHJww=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=