diff --git a/testhelpers/tck/go.mod b/testhelpers/tck/go.mod
index e7ce45682..2b180bf90 100644
--- a/testhelpers/tck/go.mod
+++ b/testhelpers/tck/go.mod
@@ -11,7 +11,7 @@ require (
 )
 
 require (
-	dario.cat/mergo v1.0.1 // indirect
+	dario.cat/mergo v1.0.2 // indirect
 	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
 	github.com/Microsoft/go-winio v0.6.2 // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
diff --git a/testhelpers/tck/go.sum b/testhelpers/tck/go.sum
index 8bc397a1b..7f1e06a71 100644
--- a/testhelpers/tck/go.sum
+++ b/testhelpers/tck/go.sum
@@ -1,5 +1,5 @@
-dario.cat/mergo v1.0.1 h1:Ra4+bf83h2ztPIQYNP99R6m+Y7KfnARDfID+a+vLl4s=
-dario.cat/mergo v1.0.1/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
+dario.cat/mergo v1.0.2 h1:85+piFYR1tMbRrLcDwR18y4UKJ3aH1Tbzi24VRW1TK8=
+dario.cat/mergo v1.0.2/go.mod h1:E/hbnu0NxMFBjpMIE34DRGLWqDy0g5FuKDhCb31ngxA=
 github.com/AdaLogics/go-fuzz-headers v0.0.0-20240806141605-e8a1dd7889d6 h1:He8afgbRMd7mFxO99hRNu+6tazq8nFF9lIwo9JFroBk=
 github.com/AdaLogics/go-fuzz-headers v0.0.0-20240806141605-e8a1dd7889d6/go.mod h1:8o94RPi1/7XTJvwPpRSzSUedZrtlirdB3r9Z20bi2f8=
 github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 h1:UQHMgLO+TxOElx5B5HZ4hJQsoJ/PvUvKRhJHDQXO8P8=