diff --git a/go.mod b/go.mod
index d364538..df29fec 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/kayac/go-config
 go 1.17
 
 require (
-	github.com/BurntSushi/toml v1.3.0
+	github.com/BurntSushi/toml v1.3.2
 	github.com/google/go-cmp v0.5.9
 	gopkg.in/yaml.v2 v2.4.0
 )
diff --git a/go.sum b/go.sum
index 9a82bb2..01f1539 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/BurntSushi/toml v1.3.0 h1:Ws8e5YmnrGEHzZEzg0YvK/7COGYtTC5PbaH9oSSbgfA=
-github.com/BurntSushi/toml v1.3.0/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
+github.com/BurntSushi/toml v1.3.2 h1:o7IhLm0Msx3BaB+n3Ag7L8EVlByGnpq14C4YWiu/gL8=
+github.com/BurntSushi/toml v1.3.2/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=