diff --git a/package.json b/package.json
index 8af1b85d0a03..6d8c7f90f5d1 100644
--- a/package.json
+++ b/package.json
@@ -148,7 +148,7 @@
     "through": "^2.3.6",
     "tree-kill": "^1.0.0",
     "ts-node": "^2.0.0",
-    "tslint": "^4.0.2"
+    "tslint": "^5.1.0"
   },
   "optionalDependencies": {
     "node-sass": "^4.3.0"
diff --git a/packages/@angular/cli/lib/ast-tools/route-utils.ts b/packages/@angular/cli/lib/ast-tools/route-utils.ts
index c36a995c0faf..5d6571968681 100644
--- a/packages/@angular/cli/lib/ast-tools/route-utils.ts
+++ b/packages/@angular/cli/lib/ast-tools/route-utils.ts
@@ -143,7 +143,7 @@ export function insertImport(fileToEdit: string, symbolName: string,
     fallbackPos,
     ts.SyntaxKind.StringLiteral
   );
-};
+}
 
 /**
  * Inserts a path to the new route into src/routes.ts if it doesn't exist
diff --git a/packages/@angular/cli/models/webpack-configs/typescript.ts b/packages/@angular/cli/models/webpack-configs/typescript.ts
index 8ddc57383a2b..05b518357076 100644
--- a/packages/@angular/cli/models/webpack-configs/typescript.ts
+++ b/packages/@angular/cli/models/webpack-configs/typescript.ts
@@ -95,7 +95,7 @@ export const getAotConfig = function(wco: WebpackConfigOptions) {
   // Fallback to exclude spec files from AoT compilation on projects using a shared tsconfig.
   if (testTsConfigPath === tsConfigPath) {
     let exclude = [ '**/*.spec.ts' ];
-    if (appConfig.test) { exclude.push(path.join(projectRoot, appConfig.root, appConfig.test)); };
+    if (appConfig.test) { exclude.push(path.join(projectRoot, appConfig.root, appConfig.test)); }
     pluginOptions.exclude = exclude;
   }
 
diff --git a/packages/@angular/cli/utilities/app-utils.ts b/packages/@angular/cli/utilities/app-utils.ts
index 67ddd63868f0..b38857e3979c 100644
--- a/packages/@angular/cli/utilities/app-utils.ts
+++ b/packages/@angular/cli/utilities/app-utils.ts
@@ -25,6 +25,8 @@ export function getAppFromConfig(nameOrIndex?: String) {
   } else {
     return apps[0];
   }
-  throw new SilentError(chalk.red(oneLine`Unable to find app with name or index. 
-    Make you have proper apps configuration in \`.angular-cli.json\``));
+  throw new SilentError(chalk.red(oneLine`
+    Unable to find app with name or index.
+    Verify the configuration in \`.angular-cli.json\`
+  `));
 }
diff --git a/packages/@angular/cli/utilities/dynamic-path-parser.ts b/packages/@angular/cli/utilities/dynamic-path-parser.ts
index 669ffceb47dd..c90d792a5c45 100644
--- a/packages/@angular/cli/utilities/dynamic-path-parser.ts
+++ b/packages/@angular/cli/utilities/dynamic-path-parser.ts
@@ -61,4 +61,4 @@ export function dynamicPathParser(project: any, entityName: string, appConfig: a
   parsedPath.dir = parsedPath.dir === path.sep ? '' : parsedPath.dir;
 
   return { ...parsedPath, appRoot, sourceDir };
-};
+}
diff --git a/packages/@angular/cli/utilities/find-parent-module.ts b/packages/@angular/cli/utilities/find-parent-module.ts
index 61be86780b5e..402bf80d4ff1 100644
--- a/packages/@angular/cli/utilities/find-parent-module.ts
+++ b/packages/@angular/cli/utilities/find-parent-module.ts
@@ -34,4 +34,4 @@ export default function findParentModule(
   }
 
   throw new SilentError('No module files found');
-};
+}
diff --git a/packages/@angular/cli/utilities/get-dependent-files.ts b/packages/@angular/cli/utilities/get-dependent-files.ts
index ff8db613c949..4e7fe5f73385 100644
--- a/packages/@angular/cli/utilities/get-dependent-files.ts
+++ b/packages/@angular/cli/utilities/get-dependent-files.ts
@@ -142,7 +142,7 @@ export function getDependentFiles(fileName: string, rootPath: string): Promise<M
           });
         if (tempModuleSpecifiers.length > 0) {
           relevantFiles[filePath] = tempModuleSpecifiers;
-        };
+        }
       });
       return relevantFiles;
     }));
diff --git a/packages/@angular/cli/utilities/module-resolver.ts b/packages/@angular/cli/utilities/module-resolver.ts
index 2949d95f551d..c0fb58b3205f 100644
--- a/packages/@angular/cli/utilities/module-resolver.ts
+++ b/packages/@angular/cli/utilities/module-resolver.ts
@@ -73,7 +73,7 @@ export class ModuleResolver {
               let changeText = path.relative(fileDir, path.join(this.newFilePath, componentName));
               if (changeText.length > 0 && changeText.charAt(0) !== '.') {
                 changeText = `.${path.sep}${changeText}`;
-              };
+              }
               let position = specifier.end - specifier.specifierText.length;
               return new ReplaceChange(file, position - 1, specifier.specifierText, changeText);
             });
diff --git a/packages/@angular/cli/utilities/prerender-webpack-plugin.ts b/packages/@angular/cli/utilities/prerender-webpack-plugin.ts
index 95eb34cecea1..f57ad47d5b29 100644
--- a/packages/@angular/cli/utilities/prerender-webpack-plugin.ts
+++ b/packages/@angular/cli/utilities/prerender-webpack-plugin.ts
@@ -53,4 +53,4 @@ export class PrerenderWebpackPlugin {
         delete require.cache[key];
       });
   }
-};
+}
diff --git a/packages/@ngtools/json-schema/src/schema-tree.spec.ts b/packages/@ngtools/json-schema/src/schema-tree.spec.ts
index 25363431d4fe..03726d78d837 100644
--- a/packages/@ngtools/json-schema/src/schema-tree.spec.ts
+++ b/packages/@ngtools/json-schema/src/schema-tree.spec.ts
@@ -15,6 +15,7 @@ describe('@ngtools/json-schema', () => {
 
     it('works', () => {
       const proto: any = Object.create(null);
+      // tslint:disable-next-line
       new RootSchemaTreeNode(proto, {
         value: valueJson,
         schema: schemaJson
@@ -47,6 +48,7 @@ describe('@ngtools/json-schema', () => {
 
     it('works', () => {
       const proto: any = Object.create(null);
+      // tslint:disable-next-line
       new RootSchemaTreeNode(proto, {
         value: valueJson,
         schema: schemaJson
diff --git a/packages/@ngtools/json-schema/src/schema-tree.ts b/packages/@ngtools/json-schema/src/schema-tree.ts
index a2b169a736f4..5f9fef73adca 100644
--- a/packages/@ngtools/json-schema/src/schema-tree.ts
+++ b/packages/@ngtools/json-schema/src/schema-tree.ts
@@ -102,7 +102,7 @@ export abstract class SchemaTreeNode<T> implements SchemaNode {
       throw new MissingImplementationError();
     }
     throw new SettingReadOnlyPropertyError();
-  };
+  }
   isCompatible(_v: any) { return false; }
 
   abstract serialize(serializer: Serializer): void;