diff --git a/package-lock.json b/package-lock.json
index 627cd789..7daa3e54 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5905,18 +5905,6 @@
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-      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-2.0.6.tgz",
-      "integrity": "sha512-g5zbiixBRk/wyKakSwCKd7vQXDjFnAMGHoEyBogG/bw9kTD9GvdAvaoRR1ALcEzt3pVKxZR0pViekPMIS0QyGg==",
-      "dev": true,
-      "optional": true,
-      "requires": {
-        "good-listener": "^1.2.2",
-        "select": "^1.1.2",
-        "tiny-emitter": "^2.0.0"
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       "resolved": "https://registry.npmjs.org/cliui/-/cliui-4.1.0.tgz",
@@ -7156,13 +7144,6 @@
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       "dev": true
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-    "delegate": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/delegate/-/delegate-3.2.0.tgz",
-      "integrity": "sha512-IofjkYBZaZivn0V8nnsMJGBr4jVLxHDheKSW88PyxS5QC4Vo9ZbZVvhzlSxY87fVq3STR6r+4cGepyHkcWOQSw==",
-      "dev": true,
-      "optional": true
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       "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
@@ -9799,16 +9780,6 @@
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-    "good-listener": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/good-listener/-/good-listener-1.2.2.tgz",
-      "integrity": "sha1-1TswzfkxPf+33JoNR3CWqm0UXFA=",
-      "dev": true,
-      "optional": true,
-      "requires": {
-        "delegate": "^3.1.2"
-      }
-    },
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@@ -16837,13 +16808,10 @@
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-      "version": "1.21.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.21.0.tgz",
-      "integrity": "sha512-uGdSIu1nk3kej2iZsLyDoJ7e9bnPzIgY0naW/HdknGj61zScaprVEVGHrPoXqI+M9sP0NDnTK2jpkvmldpuqDw==",
-      "dev": true,
-      "requires": {
-        "clipboard": "^2.0.0"
-      }
+      "version": "1.25.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.25.0.tgz",
+      "integrity": "sha512-WCjJHl1KEWbnkQom1+SzftbtXMKQoezOCYs5rECqMN+jP+apI7ftoflyqigqzopSO3hMhTEb0mFClA8lkolgEg==",
+      "dev": true
     },
     "private": {
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@@ -18303,13 +18271,6 @@
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-    "select": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/select/-/select-1.1.2.tgz",
-      "integrity": "sha1-DnNQrN7ICxEIUoeG7B1EGNEbOW0=",
-      "dev": true,
-      "optional": true
-    },
     "semver": {
       "version": "5.7.1",
       "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
@@ -19747,13 +19708,6 @@
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       "dev": true
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-    "tiny-emitter": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.1.0.tgz",
-      "integrity": "sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q==",
-      "dev": true,
-      "optional": true
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       "resolved": "https://registry.npmjs.org/tiny-lr/-/tiny-lr-1.1.1.tgz",
diff --git a/package.json b/package.json
index 7a396e86..8ac3fbc9 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "jest": "~25.1.0",
     "lighterhtml": "~2.0",
     "np": "~6.1.0",
-    "prismjs": "~1.21.0",
+    "prismjs": "~1.25.0",
     "rollup": "~1.31.1",
     "rollup-plugin-babel": "~4.3",
     "rollup-plugin-commonjs": "~10.1",