diff --git a/package.json b/package.json
index 92787781d6a..558734f2f75 100644
--- a/package.json
+++ b/package.json
@@ -142,7 +142,7 @@
     "karma-jasmine": "^4.0.1",
     "karma-requirejs": "^1.1.0",
     "karma-sourcemap-loader": "^0.3.7",
-    "magic-string": "0.25.7",
+    "magic-string": "0.26.1",
     "materialize-css": "1.0.0",
     "memo-decorator": "^2.0.1",
     "ngx-flamegraph": "0.0.11",
diff --git a/packages/compiler-cli/package.json b/packages/compiler-cli/package.json
index fc9bd6e584d..5cc97995422 100644
--- a/packages/compiler-cli/package.json
+++ b/packages/compiler-cli/package.json
@@ -58,7 +58,7 @@
     "chokidar": "^3.0.0",
     "convert-source-map": "^1.5.1",
     "dependency-graph": "^0.11.0",
-    "magic-string": "^0.25.0",
+    "magic-string": "^0.26.0",
     "semver": "^7.0.0",
     "sourcemap-codec": "^1.4.8",
     "tslib": "^2.3.0",
diff --git a/yarn.lock b/yarn.lock
index 97f62639368..3433cd6a915 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10365,6 +10365,13 @@ magic-string@0.25.7, magic-string@^0.25.7:
   dependencies:
     sourcemap-codec "^1.4.4"
 
+magic-string@0.26.1:
+  version "0.26.1"
+  resolved "https://registry.yarnpkg.com/magic-string/-/magic-string-0.26.1.tgz#ba9b651354fa9512474199acecf9c6dbe93f97fd"
+  integrity sha512-ndThHmvgtieXe8J/VGPjG+Apu7v7ItcD5mhEIvOscWjPF/ccOiLxHaSuCAS2G+3x4GKsAbT8u7zdyamupui8Tg==
+  dependencies:
+    sourcemap-codec "^1.4.8"
+
 make-dir@^1.0.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.3.0.tgz#79c1033b80515bd6d24ec9933e860ca75ee27f0c"