diff --git a/package.json b/package.json
index cf98915..c10cb0d 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
     "eslint-config-prettier": "^8.1.0",
     "eslint-plugin-import": "^2.22.1",
     "espower-typescript": "^9.0.2",
-    "iconv-lite": "^0.5.1",
+    "iconv-lite": "^0.6.0",
     "mocha": "^7.1.2",
     "npm-run-all": "^4.1.5",
     "power-assert": "^1.6.1",
diff --git a/yarn.lock b/yarn.lock
index b29aaba..c9c6b39 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2036,12 +2036,12 @@ hosted-git-info@^2.1.4:
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.9.tgz#dffc0bf9a21c02209090f2aa69429e1414daf3f9"
   integrity sha512-mxIDAb9Lsm6DoOJ7xH+5+X4y1LU/4Hi50L9C5sIswK3JzULS4bwk1FvjdBgvYR4bzT4tuUQiC15FE2f5HbLvYw==
 
-iconv-lite@^0.5.1:
-  version "0.5.1"
-  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.5.1.tgz#b2425d3c7b18f7219f2ca663d103bddb91718d64"
-  integrity sha512-ONHr16SQvKZNSqjQT9gy5z24Jw+uqfO02/ngBSBoqChZ+W8qXX7GPRa1RoUnzGADw8K63R1BXUMzarCVQBpY8Q==
+iconv-lite@^0.6.0:
+  version "0.6.3"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.6.3.tgz#a52f80bf38da1952eb5c681790719871a1a72501"
+  integrity sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==
   dependencies:
-    safer-buffer ">= 2.1.2 < 3"
+    safer-buffer ">= 2.1.2 < 3.0.0"
 
 ignore@^4.0.6:
   version "4.0.6"
@@ -3488,7 +3488,7 @@ safe-regex-test@^1.0.0:
     get-intrinsic "^1.1.3"
     is-regex "^1.1.4"
 
-"safer-buffer@>= 2.1.2 < 3":
+"safer-buffer@>= 2.1.2 < 3.0.0":
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
   integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==