diff --git a/package-lock.json b/package-lock.json
index ddb0799a..587bba51 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -82,7 +82,7 @@
         "@angular-eslint/schematics": "^20.1.1",
         "@angular-eslint/template-parser": "^20.1.1",
         "@angular/cli": "^20.3.13",
-        "@angular/compiler-cli": "^20.3.15",
+        "@angular/compiler-cli": "^21.0.8",
         "@angular/language-service": "^20.3.15",
         "@types/d3": "^7.4.0",
         "@types/diacritics": "^1.3.0",
@@ -709,6 +709,23 @@
         "node": ">=6.9.0"
       }
     },
+    "node_modules/@angular-devkit/build-angular/node_modules/@ngtools/webpack": {
+      "version": "20.3.13",
+      "resolved": "https://registry.npmjs.org/@ngtools/webpack/-/webpack-20.3.13.tgz",
+      "integrity": "sha512-7GyH55pOy8XUwo1lVWHzjZoAmSLtRT/vQbMn43x7WDl8pymAbi5zfwE/cnIX+5xgUOvkmT8sW9gJAD19rkASag==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "^20.19.0 || ^22.12.0 || >=24.0.0",
+        "npm": "^6.11.0 || ^7.5.6 || >=8.0.0",
+        "yarn": ">= 1.13.0"
+      },
+      "peerDependencies": {
+        "@angular/compiler-cli": "^20.0.0",
+        "typescript": ">=5.8 <6.0",
+        "webpack": "^5.54.0"
+      }
+    },
     "node_modules/@angular-devkit/build-angular/node_modules/rxjs": {
       "version": "7.8.2",
       "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-7.8.2.tgz",
@@ -1184,13 +1201,13 @@
       }
     },
     "node_modules/@angular/compiler-cli": {
-      "version": "20.3.15",
-      "resolved": "https://registry.npmjs.org/@angular/compiler-cli/-/compiler-cli-20.3.15.tgz",
-      "integrity": "sha512-8sJoxodxsfyZ8eJ5r6Bx7BCbazXYgsZ1+dE8t5u5rTQ6jNggwNtYEzkyReoD5xvP+MMtRkos3xpwq4rtFnpI6A==",
+      "version": "21.0.8",
+      "resolved": "https://registry.npmjs.org/@angular/compiler-cli/-/compiler-cli-21.0.8.tgz",
+      "integrity": "sha512-+i/wFvi5FTg47Ei+aiFf8j3iYfjQ79ieg8oJM86+Mw4bNwEKQqvWcpmKjoqcfmCescuw0sr2DXU6OEeX+yWeVg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@babel/core": "7.28.3",
+        "@babel/core": "7.28.4",
         "@jridgewell/sourcemap-codec": "^1.4.14",
         "chokidar": "^4.0.0",
         "convert-source-map": "^1.5.1",
@@ -1207,8 +1224,8 @@
         "node": "^20.19.0 || ^22.12.0 || >=24.0.0"
       },
       "peerDependencies": {
-        "@angular/compiler": "20.3.15",
-        "typescript": ">=5.8 <6.0"
+        "@angular/compiler": "21.0.8",
+        "typescript": ">=5.9 <6.0"
       },
       "peerDependenciesMeta": {
         "typescript": {
@@ -1216,6 +1233,54 @@
         }
       }
     },
+    "node_modules/@angular/compiler-cli/node_modules/@babel/core": {
+      "version": "7.28.4",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.28.4.tgz",
+      "integrity": "sha512-2BCOP7TN8M+gVDj7/ht3hsaO/B/n5oDbiAyyvnRlNOs+u1o+JWNYTQrmpuNp1/Wq2gcFrI01JAW+paEKDMx/CA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@babel/code-frame": "^7.27.1",
+        "@babel/generator": "^7.28.3",
+        "@babel/helper-compilation-targets": "^7.27.2",
+        "@babel/helper-module-transforms": "^7.28.3",
+        "@babel/helpers": "^7.28.4",
+        "@babel/parser": "^7.28.4",
+        "@babel/template": "^7.27.2",
+        "@babel/traverse": "^7.28.4",
+        "@babel/types": "^7.28.4",
+        "@jridgewell/remapping": "^2.3.5",
+        "convert-source-map": "^2.0.0",
+        "debug": "^4.1.0",
+        "gensync": "^1.0.0-beta.2",
+        "json5": "^2.2.3",
+        "semver": "^6.3.1"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/babel"
+      }
+    },
+    "node_modules/@angular/compiler-cli/node_modules/@babel/core/node_modules/convert-source-map": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-2.0.0.tgz",
+      "integrity": "sha512-Kvp459HrV2FEJ1CAsi1Ku+MY3kasH19TFykTz2xWmMeq6bk2NU3XXvfJ+Q61m0xktWwt+1HSYf3JZsTms3aRJg==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/@angular/compiler-cli/node_modules/@babel/core/node_modules/semver": {
+      "version": "6.3.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",
+      "integrity": "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==",
+      "dev": true,
+      "license": "ISC",
+      "bin": {
+        "semver": "bin/semver.js"
+      }
+    },
     "node_modules/@angular/core": {
       "version": "20.3.16",
       "resolved": "https://registry.npmjs.org/@angular/core/-/core-20.3.16.tgz",
@@ -4448,6 +4513,17 @@
         "@jridgewell/trace-mapping": "^0.3.24"
       }
     },
+    "node_modules/@jridgewell/remapping": {
+      "version": "2.3.5",
+      "resolved": "https://registry.npmjs.org/@jridgewell/remapping/-/remapping-2.3.5.tgz",
+      "integrity": "sha512-LI9u/+laYG4Ds1TDKSJW2YPrIlcVYOwi2fUC6xB43lueCjgxV4lffOCZCtYFiH6TNOX+tQKXx97T4IKHbhyHEQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@jridgewell/gen-mapping": "^0.3.5",
+        "@jridgewell/trace-mapping": "^0.3.24"
+      }
+    },
     "node_modules/@jridgewell/resolve-uri": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/@jridgewell/resolve-uri/-/resolve-uri-3.1.2.tgz",
@@ -5268,23 +5344,6 @@
         "node": ">= 10"
       }
     },
-    "node_modules/@ngtools/webpack": {
-      "version": "20.3.13",
-      "resolved": "https://registry.npmjs.org/@ngtools/webpack/-/webpack-20.3.13.tgz",
-      "integrity": "sha512-7GyH55pOy8XUwo1lVWHzjZoAmSLtRT/vQbMn43x7WDl8pymAbi5zfwE/cnIX+5xgUOvkmT8sW9gJAD19rkASag==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": "^20.19.0 || ^22.12.0 || >=24.0.0",
-        "npm": "^6.11.0 || ^7.5.6 || >=8.0.0",
-        "yarn": ">= 1.13.0"
-      },
-      "peerDependencies": {
-        "@angular/compiler-cli": "^20.0.0",
-        "typescript": ">=5.8 <6.0",
-        "webpack": "^5.54.0"
-      }
-    },
     "node_modules/@nodelib/fs.scandir": {
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
diff --git a/package.json b/package.json
index e7d20886..9784123d 100644
--- a/package.json
+++ b/package.json
@@ -108,7 +108,7 @@
     "@angular-eslint/schematics": "^20.1.1",
     "@angular-eslint/template-parser": "^20.1.1",
     "@angular/cli": "^20.3.13",
-    "@angular/compiler-cli": "^20.3.15",
+    "@angular/compiler-cli": "^21.0.8",
     "@angular/language-service": "^20.3.15",
     "@types/d3": "^7.4.0",
     "@types/diacritics": "^1.3.0",