diff --git a/examples/checker/example_checker_go/go.mod b/examples/checker/example_checker_go/go.mod
index c0091c4..a2e3756 100644
--- a/examples/checker/example_checker_go/go.mod
+++ b/examples/checker/example_checker_go/go.mod
@@ -5,6 +5,6 @@ go 1.19
 require github.com/fausecteam/ctf-gameserver/go/checkerlib v0.0.0-20230218080707-d1dfb3000ddf
 
 require (
-	golang.org/x/crypto v0.6.0 // indirect
-	golang.org/x/sys v0.5.0 // indirect
+	golang.org/x/crypto v0.17.0 // indirect
+	golang.org/x/sys v0.15.0 // indirect
 )
diff --git a/examples/checker/example_checker_go/go.sum b/examples/checker/example_checker_go/go.sum
index ac384ff..da0bbb3 100644
--- a/examples/checker/example_checker_go/go.sum
+++ b/examples/checker/example_checker_go/go.sum
@@ -1,6 +1,6 @@
 github.com/fausecteam/ctf-gameserver/go/checkerlib v0.0.0-20230218080707-d1dfb3000ddf h1:F5ijjN6Wg9DVtJ/hKVcKoOnNgsaHtsqc2Adqk/NSTUE=
 github.com/fausecteam/ctf-gameserver/go/checkerlib v0.0.0-20230218080707-d1dfb3000ddf/go.mod h1:Hb+eKFbWT/6ELb4Qokkr5Pw6jaihL13lfCaWPsgTdBg=
-golang.org/x/crypto v0.6.0 h1:qfktjS5LUO+fFKeJXZ+ikTRijMmljikvG68fpMMruSc=
-golang.org/x/crypto v0.6.0/go.mod h1:OFC/31mSvZgRz0V1QTNCzfAI1aIRzbiufJtkMIlEp58=
-golang.org/x/sys v0.5.0 h1:MUK/U/4lj1t1oPg0HfuXDN/Z1wv31ZJ/YcPiGccS4DU=
-golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/crypto v0.17.0 h1:r8bRNjWL3GshPW3gkd+RpvzWrZAwPS49OmTGZ/uhM4k=
+golang.org/x/crypto v0.17.0/go.mod h1:gCAAfMLgwOJRpTjQ2zCCt2OcSfYMTeZVSRtQlPC7Nq4=
+golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
+golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=