diff --git a/package-lock.json b/package-lock.json
index 57988ed..6746c78 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -29,8 +29,7 @@
         "remark-gfm": "^3.0.1",
         "remark-html": "^15.0.1",
         "remark-smartypants": "^2.0.0",
-        "typescript": "4.9.3",
-        "yarn": "^1.22.19"
+        "typescript": "4.9.3"
       },
       "devDependencies": {
         "@types/react-syntax-highlighter": "^15.5.5",
@@ -3607,19 +3606,6 @@
         "node": ">= 6"
       }
     },
-    "node_modules/yarn": {
-      "version": "1.22.19",
-      "resolved": "https://registry.npmjs.org/yarn/-/yarn-1.22.19.tgz",
-      "integrity": "sha512-/0V5q0WbslqnwP91tirOvldvYISzaqhClxzyUKXYxs07yUILIs5jx/k6CFe8bvKSkds5w+eiOqta39Wk3WxdcQ==",
-      "hasInstallScript": true,
-      "bin": {
-        "yarn": "bin/yarn.js",
-        "yarnpkg": "bin/yarn.js"
-      },
-      "engines": {
-        "node": ">=4.0.0"
-      }
-    },
     "node_modules/zwitch": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/zwitch/-/zwitch-2.0.4.tgz",
@@ -5985,11 +5971,6 @@
       "resolved": "https://registry.npmjs.org/yaml/-/yaml-1.10.2.tgz",
       "integrity": "sha512-r3vXyErRCYJ7wg28yvBY5VSoAF8ZvlcW9/BwUzEtUsjvX/DKs24dIkuwjtuprwJJHsbyUbLApepYTR1BN4uHrg=="
     },
-    "yarn": {
-      "version": "1.22.19",
-      "resolved": "https://registry.npmjs.org/yarn/-/yarn-1.22.19.tgz",
-      "integrity": "sha512-/0V5q0WbslqnwP91tirOvldvYISzaqhClxzyUKXYxs07yUILIs5jx/k6CFe8bvKSkds5w+eiOqta39Wk3WxdcQ=="
-    },
     "zwitch": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/zwitch/-/zwitch-2.0.4.tgz",
diff --git a/package.json b/package.json
index 91822b7..8b954e3 100644
--- a/package.json
+++ b/package.json
@@ -30,8 +30,7 @@
     "remark-gfm": "^3.0.1",
     "remark-html": "^15.0.1",
     "remark-smartypants": "^2.0.0",
-    "typescript": "4.9.3",
-    "yarn": "^1.22.19"
+    "typescript": "4.9.3"
   },
   "devDependencies": {
     "@types/react-syntax-highlighter": "^15.5.5",
diff --git a/yarn.lock b/yarn.lock
index de8624a..f24e642 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2096,11 +2096,6 @@
   "resolved" "https://registry.npmjs.org/yaml/-/yaml-1.10.2.tgz"
   "version" "1.10.2"
 
-"yarn@^1.22.19":
-  "integrity" "sha512-/0V5q0WbslqnwP91tirOvldvYISzaqhClxzyUKXYxs07yUILIs5jx/k6CFe8bvKSkds5w+eiOqta39Wk3WxdcQ=="
-  "resolved" "https://registry.npmjs.org/yarn/-/yarn-1.22.19.tgz"
-  "version" "1.22.19"
-
 "zwitch@^1.0.3":
   "integrity" "sha512-V50KMwwzqJV0NpZIZFwfOD5/lyny3WlSzRiXgA0G7VUnRlqttta1L6UQIHzd6EuBY/cHGfwTIck7w1yH6Q5zUw=="
   "resolved" "https://registry.npmjs.org/zwitch/-/zwitch-1.0.5.tgz"