diff --git a/e2e/schematics/ng-add.test.ts b/e2e/schematics/ng-add.test.ts
index 192d041387..0dbb1385b3 100644
--- a/e2e/schematics/ng-add.test.ts
+++ b/e2e/schematics/ng-add.test.ts
@@ -26,7 +26,9 @@ describe('Nrwl Convert to Nx Workspace', () => {
     expect(packageJson.dependencies['@ngrx/store']).not.toBeDefined();
     expect(packageJson.dependencies['@ngrx/effects']).not.toBeDefined();
     expect(packageJson.dependencies['@ngrx/router-store']).not.toBeDefined();
-    expect(packageJson.dependencies['@ngrx/store-devtools']).not.toBeDefined();
+    expect(
+      packageJson.devDependencies['@ngrx/store-devtools']
+    ).not.toBeDefined();
 
     // update tsconfig.json
     const tsconfigJson = readJson('tsconfig.json');
@@ -94,7 +96,7 @@ describe('Nrwl Convert to Nx Workspace', () => {
     expect(updatedPackageJson.dependencies['@ngrx/effects']).toBeDefined();
     expect(updatedPackageJson.dependencies['@ngrx/router-store']).toBeDefined();
     expect(
-      updatedPackageJson.dependencies['@ngrx/store-devtools']
+      updatedPackageJson.devDependencies['@ngrx/store-devtools']
     ).toBeDefined();
     expect(updatedPackageJson.dependencies['rxjs-compat']).toBeDefined();
     expect(updatedPackageJson.devDependencies['@angular/cli']).toBeDefined();
@@ -241,7 +243,7 @@ describe('Nrwl Convert to Nx Workspace', () => {
     existingPackageJson.dependencies['@ngrx/store'] = ngrxVersion;
     existingPackageJson.dependencies['@ngrx/effects'] = ngrxVersion;
     existingPackageJson.dependencies['@ngrx/router-store'] = ngrxVersion;
-    existingPackageJson.dependencies['@ngrx/store-devtools'] = ngrxVersion;
+    existingPackageJson.devDependencies['@ngrx/store-devtools'] = ngrxVersion;
     updateFile('package.json', JSON.stringify(existingPackageJson, null, 2));
     // run the command
     runCLI('add @nrwl/schematics --npmScope projscope --skip-install');
@@ -254,7 +256,7 @@ describe('Nrwl Convert to Nx Workspace', () => {
     expect(packageJson.dependencies['@ngrx/store']).toEqual(ngrxVersion);
     expect(packageJson.dependencies['@ngrx/effects']).toEqual(ngrxVersion);
     expect(packageJson.dependencies['@ngrx/router-store']).toEqual(ngrxVersion);
-    expect(packageJson.dependencies['@ngrx/store-devtools']).toEqual(
+    expect(packageJson.devDependencies['@ngrx/store-devtools']).toEqual(
       ngrxVersion
     );
   });
diff --git a/packages/schematics/src/collection/ng-add/index.ts b/packages/schematics/src/collection/ng-add/index.ts
index 7cb70d0c65..6b04103bfa 100755
--- a/packages/schematics/src/collection/ng-add/index.ts
+++ b/packages/schematics/src/collection/ng-add/index.ts
@@ -90,11 +90,11 @@ function updatePackageJson() {
     if (!packageJson.dependencies['@ngrx/effects']) {
       packageJson.dependencies['@ngrx/effects'] = ngrxVersion;
     }
-    if (!packageJson.dependencies['@ngrx/store-devtools']) {
-      packageJson.dependencies['@ngrx/store-devtools'] = ngrxVersion;
+    if (!packageJson.devDependencies['@ngrx/store-devtools']) {
+      packageJson.devDependencies['@ngrx/store-devtools'] = ngrxVersion;
     }
-    if (!packageJson.dependencies['ngrx-store-freeze']) {
-      packageJson.dependencies['ngrx-store-freeze'] = ngrxStoreFreezeVersion;
+    if (!packageJson.devDependencies['ngrx-store-freeze']) {
+      packageJson.devDependencies['ngrx-store-freeze'] = ngrxStoreFreezeVersion;
     }
     if (!packageJson.dependencies['rxjs-compat']) {
       packageJson.dependencies['rxjs-compat'] = rxjsVersion;
diff --git a/packages/schematics/src/collection/ng-new/files/__directory__/package.json b/packages/schematics/src/collection/ng-new/files/__directory__/package.json
index 5c5633095d..1175b7b584 100755
--- a/packages/schematics/src/collection/ng-new/files/__directory__/package.json
+++ b/packages/schematics/src/collection/ng-new/files/__directory__/package.json
@@ -42,15 +42,15 @@
     "@nrwl/nx": "<%= nxVersion %>",
     "@ngrx/effects": "<%= ngrxVersion %>",
     "@ngrx/router-store": "<%= routerStoreVersion %>",
-    "@ngrx/store": "<%= ngrxVersion %>",
-    "@ngrx/store-devtools": "<%= ngrxVersion %>",
-    "ngrx-store-freeze": "<%= ngrxStoreFreezeVersion %>"
+    "@ngrx/store": "<%= ngrxVersion %>"
   },
   "devDependencies": {
     "@angular/cli": "<%= angularCliVersion %>",
     "@angular/compiler-cli": "<%= angularVersion %>",
     "@angular/language-service": "<%= angularVersion %>",
     "@angular-devkit/build-angular": "~0.6.1",
+    "@ngrx/store-devtools": "<%= ngrxVersion %>",
+    "ngrx-store-freeze": "<%= ngrxStoreFreezeVersion %>",
     "@nrwl/schematics": "<%= schematicsVersion %>",
     "jasmine-marbles": "<%= jasmineMarblesVersion %>",
     "@types/jasmine": "~2.8.6",
diff --git a/packages/schematics/src/collection/ngrx/ngrx.spec.ts b/packages/schematics/src/collection/ngrx/ngrx.spec.ts
index 02f816baa1..b6dedb44bb 100644
--- a/packages/schematics/src/collection/ngrx/ngrx.spec.ts
+++ b/packages/schematics/src/collection/ngrx/ngrx.spec.ts
@@ -192,7 +192,8 @@ describe('ngrx', () => {
     expect(packageJson.dependencies['@ngrx/store']).toBeDefined();
     expect(packageJson.dependencies['@ngrx/router-store']).toBeDefined();
     expect(packageJson.dependencies['@ngrx/effects']).toBeDefined();
-    expect(packageJson.dependencies['ngrx-store-freeze']).toBeDefined();
+    expect(packageJson.devDependencies['@ngrx/store-devtools']).toBeDefined();
+    expect(packageJson.devDependencies['ngrx-store-freeze']).toBeDefined();
   });
 
   it('should error when no module is provided', () => {
diff --git a/packages/schematics/src/collection/ngrx/rules/add-ngrx-to-package-json.ts b/packages/schematics/src/collection/ngrx/rules/add-ngrx-to-package-json.ts
index ecd164b327..68fd988931 100644
--- a/packages/schematics/src/collection/ngrx/rules/add-ngrx-to-package-json.ts
+++ b/packages/schematics/src/collection/ngrx/rules/add-ngrx-to-package-json.ts
@@ -11,6 +11,9 @@ export function addNgRxToPackageJson(): Rule {
     if (!packageJson['dependencies']) {
       packageJson['dependencies'] = {};
     }
+    if (!packageJson['devDependencies']) {
+      packageJson['devDependencies'] = {};
+    }
 
     if (!packageJson['dependencies']['@ngrx/store']) {
       packageJson['dependencies']['@ngrx/store'] = ngrxVersion;
@@ -21,14 +24,16 @@ export function addNgRxToPackageJson(): Rule {
     if (!packageJson['dependencies']['@ngrx/entity']) {
       packageJson['dependencies']['@ngrx/entity'] = ngrxVersion;
     }
-    if (!packageJson['dependencies']['@ngrx/store-devtools']) {
-      packageJson['dependencies']['@ngrx/store-devtools'] = ngrxVersion;
+    if (!packageJson['devDependencies']['@ngrx/store-devtools']) {
+      packageJson['devDependencies']['@ngrx/store-devtools'] = ngrxVersion;
     }
     if (!packageJson['dependencies']['@ngrx/router-store']) {
       packageJson['dependencies']['@ngrx/router-store'] = routerStoreVersion;
     }
-    if (!packageJson['dependencies']['ngrx-store-freeze']) {
-      packageJson['dependencies']['ngrx-store-freeze'] = ngrxStoreFreezeVersion;
+    if (!packageJson['devDependencies']['ngrx-store-freeze']) {
+      packageJson['devDependencies'][
+        'ngrx-store-freeze'
+      ] = ngrxStoreFreezeVersion;
     }
 
     return packageJson;