diff --git a/packages/docusaurus-theme-classic/package.json b/packages/docusaurus-theme-classic/package.json
index 45f8da069513..b06c637d0620 100644
--- a/packages/docusaurus-theme-classic/package.json
+++ b/packages/docusaurus-theme-classic/package.json
@@ -14,8 +14,8 @@
     "clipboard": "^2.0.6",
     "infima": "0.2.0-alpha.6",
     "parse-numeric-range": "^0.0.2",
-    "prism-react-renderer": "^1.0.2",
-    "prismjs": "^1.19.0",
+    "prism-react-renderer": "^1.1.0",
+    "prismjs": "^1.20.0",
     "react-router-dom": "^5.1.2",
     "react-toggle": "^4.1.1"
   },
diff --git a/packages/docusaurus-theme-live-codeblock/package.json b/packages/docusaurus-theme-live-codeblock/package.json
index 1e531bbae49b..4834f08c680e 100644
--- a/packages/docusaurus-theme-live-codeblock/package.json
+++ b/packages/docusaurus-theme-live-codeblock/package.json
@@ -12,7 +12,7 @@
     "classnames": "^2.2.6",
     "clipboard": "^2.0.6",
     "parse-numeric-range": "^0.0.2",
-    "prism-react-renderer": "^1.0.2",
+    "prism-react-renderer": "^1.1.0",
     "react-live": "^2.2.1"
   },
   "peerDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 2c598d16fcbb..b49c66216a89 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4432,17 +4432,7 @@ caniuse-api@^3.0.0:
     lodash.memoize "^4.1.2"
     lodash.uniq "^4.5.0"
 
-caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000981, caniuse-lite@^1.0.30000989, caniuse-lite@^1.0.30001012, caniuse-lite@^1.0.30001015:
-  version "1.0.30001047"
-  resolved "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001047.tgz"
-  integrity sha512-eaZFO+zPTGCCi5EBK0Ri8f2qXJ1lLH0Ic/UM2wrfc0bQkSiwGEk75tZEu2Gns7uvTMKcADLh0+QdTjzcRt3owA==
-
-caniuse-lite@^1.0.30001035:
-  version "1.0.30001047"
-  resolved "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001047.tgz"
-  integrity sha512-eaZFO+zPTGCCi5EBK0Ri8f2qXJ1lLH0Ic/UM2wrfc0bQkSiwGEk75tZEu2Gns7uvTMKcADLh0+QdTjzcRt3owA==
-
-caniuse-lite@^1.0.30001036, caniuse-lite@^1.0.30001038:
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000981, caniuse-lite@^1.0.30000989, caniuse-lite@^1.0.30001012, caniuse-lite@^1.0.30001015, caniuse-lite@^1.0.30001035, caniuse-lite@^1.0.30001036, caniuse-lite@^1.0.30001038:
   version "1.0.30001047"
   resolved "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001047.tgz"
   integrity sha512-eaZFO+zPTGCCi5EBK0Ri8f2qXJ1lLH0Ic/UM2wrfc0bQkSiwGEk75tZEu2Gns7uvTMKcADLh0+QdTjzcRt3owA==
@@ -13482,11 +13472,16 @@ pretty-time@^1.1.0:
   resolved "https://registry.yarnpkg.com/pretty-time/-/pretty-time-1.1.0.tgz#ffb7429afabb8535c346a34e41873adf3d74dd0e"
   integrity sha512-28iF6xPQrP8Oa6uxE6a1biz+lWeTOAPKggvjB8HAs6nVMKZwf5bG++632Dx614hIWgUPkgivRfG+a8uAXGTIbA==
 
-prism-react-renderer@^1.0.1, prism-react-renderer@^1.0.2:
+prism-react-renderer@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/prism-react-renderer/-/prism-react-renderer-1.0.2.tgz#3bb9a6a42f76fc049b03266298c7068fdd4b7ea9"
   integrity sha512-0++pJyRfu4v2OxI/Us/5RLui9ESDkTiLkVCtKuPZYdpB8UQWJpnJQhPrWab053XtsKW3oM0sD69uJ6N9exm1Ag==
 
+prism-react-renderer@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/prism-react-renderer/-/prism-react-renderer-1.1.0.tgz#6fe1b33f1de1b23afbdb07663d135f9026eef4ad"
+  integrity sha512-WZAw+mBoxk1qZDD1h1WOg0BVHgyk9zqbuIBFNgP+Z71i515jGL0WZIN1FIF8EgOyh06x8Rr7HAUXxsRsoUZKyg==
+
 prismjs@^1.17.1:
   version "1.17.1"
   resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.17.1.tgz#e669fcbd4cdd873c35102881c33b14d0d68519be"
@@ -13494,10 +13489,10 @@ prismjs@^1.17.1:
   optionalDependencies:
     clipboard "^2.0.0"
 
-prismjs@^1.19.0:
-  version "1.19.0"
-  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.19.0.tgz#713afbd45c3baca4b321569f2df39e17e729d4dc"
-  integrity sha512-IVFtbW9mCWm9eOIaEkNyo2Vl4NnEifis2GQ7/MLRG5TQe6t+4Sj9J5QWI9i3v+SS43uZBlCAOn+zYTVYQcPXJw==
+prismjs@^1.20.0:
+  version "1.20.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.20.0.tgz#9b685fc480a3514ee7198eac6a3bf5024319ff03"
+  integrity sha512-AEDjSrVNkynnw6A+B1DsFkd6AVdTnp+/WoUixFRULlCLZVRZlVQMVWio/16jv7G1FscUxQxOQhWwApgbnxr6kQ==
   optionalDependencies:
     clipboard "^2.0.0"