diff --git a/.gitignore b/.gitignore
index c253e24..eb93f6d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,3 +38,4 @@ src/network/messages.json
 db/
 log.txt
 src/styles.css
+.eslintcache
diff --git a/package-lock.json b/package-lock.json
index e529524..33d565c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32240,9 +32240,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "4.0.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.0.5.tgz",
-      "integrity": "sha512-ywmr/VrTVCmNTJ6iV2LwIrfG1P+lv6luD8sUJs+2eI9NLGigaN+nUQc13iHqisq7bra9lnmUSYqbJvegraBOPQ==",
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.2.tgz",
+      "integrity": "sha512-thGloWsGH3SOxv1SoY7QojKi0tc+8FnOmiarEGMbd/lar7QOEd3hvlx3Fp5y6FlDUGl9L+pd4n2e+oToGMmhRQ==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index 13b0b43..0e40775 100644
--- a/package.json
+++ b/package.json
@@ -111,7 +111,7 @@
     "textlint-rule-common-misspellings": "^1.0.1",
     "textlint-rule-rousseau": "^1.4.6",
     "typedoc": "^0.19.2",
-    "typescript": "^4.0.3",
+    "typescript": "^4.1.2",
     "weallbehave": "^1.2.0",
     "weallcontribute": "^1.0.9",
     "web-vitals": "^0.2.4"