diff --git a/package.json b/package.json
index b4431976..b8de1e5f 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "prettier": "2.1.1",
     "rollup": "2.26.10",
     "rollup-plugin-babel": "4.4.0",
-    "rollup-plugin-terser": "5.3.1"
+    "rollup-plugin-terser": "7.0.2"
   },
   "prettier": "@csvenke/prettier-config",
   "ava": {
diff --git a/yarn.lock b/yarn.lock
index 15fd36fc..d2f64217 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -34,7 +34,7 @@
   resolved "https://registry.yarnpkg.com/@ava/require-precompiled/-/require-precompiled-1.0.0.tgz#6f4a48b75904a753eadff020bbfca81d3bbc0357"
   integrity sha512-N7w4g+P/SUL8SF+HC4Z4e/ctV6nQ5AERC90K90r4xZQ8WVrJux9albvfyYAzygyU47CSqMWh6yJwFs8DYaeWmg==
 
-"@babel/code-frame@^7.0.0", "@babel/code-frame@^7.5.5", "@babel/code-frame@^7.8.3":
+"@babel/code-frame@^7.0.0", "@babel/code-frame@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.8.3.tgz#33e25903d7481181534e12ec0a25f16b6fcf419e"
   integrity sha512-a9gxpmdXtZEInkCSHUJDLHZVBgb1QS0jhss4cPP93EW7s+uC5bikET2twEF3KV+7rDblJcmNvTR7VJejqd2C2g==
@@ -1752,13 +1752,14 @@ isobject@^4.0.0:
   resolved "https://registry.yarnpkg.com/isobject/-/isobject-4.0.0.tgz#3f1c9155e73b192022a80819bacd0343711697b0"
   integrity sha512-S/2fF5wH8SJA/kmwr6HYhK/RI/OkhD84k8ntalo0iJjZikgq1XFvR5M8NPT1x5F7fBwCG3qHfnzeP/Vh/ZxCUA==
 
-jest-worker@^24.9.0:
-  version "24.9.0"
-  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-24.9.0.tgz#5dbfdb5b2d322e98567898238a9697bcce67b3e5"
-  integrity sha512-51PE4haMSXcHohnSMdM42anbvZANYTqMrr52tVKPqqsPJMzoP6FYYDVqahX/HrAoKEKz3uUPzSvKs9A3qR4iVw==
+jest-worker@^26.2.1:
+  version "26.3.0"
+  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-26.3.0.tgz#7c8a97e4f4364b4f05ed8bca8ca0c24de091871f"
+  integrity sha512-Vmpn2F6IASefL+DVBhPzI2J9/GJUsqzomdeN+P+dK8/jKxbh8R3BtFnx3FIta7wYlPU62cpJMJQo4kuOowcMnw==
   dependencies:
+    "@types/node" "*"
     merge-stream "^2.0.0"
-    supports-color "^6.1.0"
+    supports-color "^7.0.0"
 
 js-string-escape@^1.0.1:
   version "1.0.1"
@@ -2385,18 +2386,17 @@ rollup-plugin-babel@4.4.0:
     "@babel/helper-module-imports" "^7.0.0"
     rollup-pluginutils "^2.8.1"
 
-rollup-plugin-terser@5.3.1:
-  version "5.3.1"
-  resolved "https://registry.yarnpkg.com/rollup-plugin-terser/-/rollup-plugin-terser-5.3.1.tgz#8c650062c22a8426c64268548957463bf981b413"
-  integrity sha512-1pkwkervMJQGFYvM9nscrUoncPwiKR/K+bHdjv6PFgRo3cgPHoRT83y2Aa3GvINj4539S15t/tpFPb775TDs6w==
+rollup-plugin-terser@7.0.2:
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-terser/-/rollup-plugin-terser-7.0.2.tgz#e8fbba4869981b2dc35ae7e8a502d5c6c04d324d"
+  integrity sha512-w3iIaU4OxcF52UUXiZNsNeuXIMDvFrr+ZXK6bFZ0Q60qyVfq4uLptoS4bbq3paG3x216eQllFZX7zt6TIImguQ==
   dependencies:
-    "@babel/code-frame" "^7.5.5"
-    jest-worker "^24.9.0"
-    rollup-pluginutils "^2.8.2"
+    "@babel/code-frame" "^7.10.4"
+    jest-worker "^26.2.1"
     serialize-javascript "^4.0.0"
-    terser "^4.6.2"
+    terser "^5.0.0"
 
-rollup-pluginutils@^2.8.1, rollup-pluginutils@^2.8.2:
+rollup-pluginutils@^2.8.1:
   version "2.8.2"
   resolved "https://registry.yarnpkg.com/rollup-pluginutils/-/rollup-pluginutils-2.8.2.tgz#72f2af0748b592364dbd3389e600e5a9444a351e"
   integrity sha512-EEp9NhnUkwY8aif6bxgovPHMoMoNr2FulJziTndpt5H9RdwC47GSGuII9XxpSdzVGM0GWrNPHV6ie1LTNJPaLQ==
@@ -2655,12 +2655,12 @@ supports-color@^5.3.0:
   dependencies:
     has-flag "^3.0.0"
 
-supports-color@^6.1.0:
-  version "6.1.0"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-6.1.0.tgz#0764abc69c63d5ac842dd4867e8d025e880df8f3"
-  integrity sha512-qe1jfm1Mg7Nq/NSh6XE24gPXROEVsWHxC1LIx//XNlD9iw7YZQGjZNjYN7xGaEG6iKdA8EtNFW6R0gjnVXp+wQ==
+supports-color@^7.0.0:
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-7.2.0.tgz#1b7dcdcb32b8138801b3e478ba6a51caa89648da"
+  integrity sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==
   dependencies:
-    has-flag "^3.0.0"
+    has-flag "^4.0.0"
 
 supports-color@^7.1.0:
   version "7.1.0"
@@ -2679,10 +2679,10 @@ term-size@^2.1.0:
   resolved "https://registry.yarnpkg.com/term-size/-/term-size-2.2.0.tgz#1f16adedfe9bdc18800e1776821734086fcc6753"
   integrity sha512-a6sumDlzyHVJWb8+YofY4TW112G6p2FCPEAFk+59gIYHv3XHRhm9ltVQ9kli4hNWeQBwSpe8cRN25x0ROunMOw==
 
-terser@^4.6.2:
-  version "4.6.11"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.6.11.tgz#12ff99fdd62a26de2a82f508515407eb6ccd8a9f"
-  integrity sha512-76Ynm7OXUG5xhOpblhytE7X58oeNSmC8xnNhjWVo8CksHit0U0kO4hfNbPrrYwowLWFgM2n9L176VNx2QaHmtA==
+terser@^5.0.0:
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-5.3.0.tgz#c481f4afecdcc182d5e2bdd2ff2dc61555161e81"
+  integrity sha512-XTT3D3AwxC54KywJijmY2mxZ8nJiEjBHVYzq8l9OaYuRFWeQNBwvipuzzYEP4e+/AVcd1hqG/CqgsdIRyT45Fg==
   dependencies:
     commander "^2.20.0"
     source-map "~0.6.1"