diff --git a/.github/workflows/test-jasmine.yml b/.github/workflows/test-jasmine.yml
index e27aba4..7ead095 100644
--- a/.github/workflows/test-jasmine.yml
+++ b/.github/workflows/test-jasmine.yml
@@ -14,7 +14,7 @@ jobs:
 
     strategy:
       matrix:
-        jasmine-version: [2.x, 3.x]
+        jasmine-version: [2.x, 3.x, 4.x]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/.github/workflows/test-jest.yml b/.github/workflows/test-jest.yml
index 8817c63..c07e578 100644
--- a/.github/workflows/test-jest.yml
+++ b/.github/workflows/test-jest.yml
@@ -14,7 +14,7 @@ jobs:
 
     strategy:
       matrix:
-        jest-version: [26.x, 27.x]
+        jest-version: [26.x, 27.x, 28.x]
 
     steps:
     - uses: actions/checkout@v2
@@ -23,5 +23,5 @@ jobs:
       with:
         node-version: 16.x
     - run: npm ci
-    - run: npm install jest@${{ matrix.jest-version }} ts-jest@${{ matrix.jest-version }} @types/jest@${{ matrix.jest-version }}
+    - run: npm install jest@${{ matrix.jest-version }} ts-jest@${{ matrix.jest-version }} @types/jest@${{ matrix.jest-version }} --legacy-peer-deps
     - run: npm run test:jest
diff --git a/package.json b/package.json
index 3775783..42c6e5d 100644
--- a/package.json
+++ b/package.json
@@ -69,8 +69,8 @@
         "webpack": "^5.69.1"
     },
     "peerDependencies": {
-        "jasmine": "2.x || 3.x",
-        "jest": "26.x || 27.x",
+        "jasmine": "2.x || 3.x || 4.x",
+        "jest": "26.x || 27.x || 28.x",
         "typescript": ">=4.2"
     },
     "peerDependenciesMeta": {