diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5503c85..ba14301 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,14 +18,14 @@ jobs:
     timeout-minutes: 10
 
     steps:
-      - uses: actions/checkout@v3
-      - uses: pnpm/action-setup@v3
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v4
         with:
-          version: 7
+          version: 10
       - name: Install Node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
-          node-version: 14.x
+          node-version: 18
           cache: pnpm
       - name: Install Dependencies
         run: pnpm install --frozen-lockfile
@@ -40,13 +40,13 @@ jobs:
     timeout-minutes: 10
 
     steps:
-      - uses: actions/checkout@v3
-      - uses: pnpm/action-setup@v3
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v4
         with:
-          version: 7
-      - uses: actions/setup-node@v3
+          version: 10
+      - uses: actions/setup-node@v4
         with:
-          node-version: 14.x
+          node-version: 18
           cache: pnpm
       - name: Install Dependencies
         run: pnpm install --no-lockfile
@@ -74,14 +74,14 @@ jobs:
           - embroider-optimized
 
     steps:
-      - uses: actions/checkout@v3
-      - uses: pnpm/action-setup@v3
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v4
         with:
-          version: 7
+          version: 10
       - name: Install Node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
-          node-version: 14.x
+          node-version: 18
           cache: pnpm
       - name: Install Dependencies
         run: pnpm install --frozen-lockfile
diff --git a/package.json b/package.json
index 001945d..8a2113b 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "ember-auto-import": "^2.6.3",
     "ember-cli-babel": "^8.2.0",
     "ember-cli-htmlbars": "^6.3.0",
-    "tether": "^2.0.0"
+    "tether": "^3.0.2"
   },
   "devDependencies": {
     "@babel/eslint-parser": "^7.22.15",
@@ -82,7 +82,7 @@
     "ember-source": "~3.28.0 || ^4.0.0 || >= 5.0.0"
   },
   "engines": {
-    "node": ">= 14"
+    "node": ">= 18"
   },
   "publishConfig": {
     "registry": "https://registry.npmjs.org"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index aa9cb46..f725431 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -1,7 +1,7 @@
 lockfileVersion: '9.0'
 
 settings:
-  autoInstallPeers: false
+  autoInstallPeers: true
   excludeLinksFromLockfile: false
 
 importers:
@@ -24,8 +24,8 @@ importers:
         specifier: ^6.3.0
         version: 6.3.0
       tether:
-        specifier: ^2.0.0
-        version: 2.0.0
+        specifier: ^3.0.2
+        version: 3.0.2
     devDependencies:
       '@babel/eslint-parser':
         specifier: ^7.22.15
@@ -1326,6 +1326,11 @@ packages:
 
   ajv-formats@2.1.1:
     resolution: {integrity: sha512-Wx0Kx52hxE7C18hkMEggYlEifqWZtYaRgouJor+WMdPnQyEK13vgEWyVNup7SoeeoLMsr4kf5h6dOW11I15MUA==}
+    peerDependencies:
+      ajv: ^8.0.0
+    peerDependenciesMeta:
+      ajv:
+        optional: true
 
   ajv-keywords@3.5.2:
     resolution: {integrity: sha512-5p6WTN0DdTGVQk6VjcEju19IgaHudalcfabD7yhDGeA6bcQnmL+CpveLJq/3hvfwd1aof6L386Ougkx6RfyMIQ==}
@@ -6042,8 +6047,9 @@ packages:
     engines: {node: '>= 7.*'}
     hasBin: true
 
-  tether@2.0.0:
-    resolution: {integrity: sha512-iAkyBhwILpLIvkwzO5w5WUBtpYwxvzLRTO+sbzF3Uy7X4zznsy73v2b4sOQHXE3CQHeSNtB/YMU2Nn9tocbeBQ==}
+  tether@3.0.2:
+    resolution: {integrity: sha512-eICJAAmQ5XU0hEAeoB04VtkHqCRoENxe7/uMggQuYYikMpuPIwm0nq/HsJs6M+tJj/AyQO/9Yz5RLR32oOKrmw==}
+    engines: {node: '>= 20', pnpm: '>= 10'}
 
   text-table@0.2.0:
     resolution: {integrity: sha512-N+8UisAXDGk8PFXP4HAzVR9nbfmVJ3zYLAWiTIoqC5v5isinhr+r5uaO8+7r3BMfuNIufIsA7RdpVgacC2cSpw==}
@@ -8130,8 +8136,8 @@ snapshots:
       clean-stack: 2.2.0
       indent-string: 4.0.0
 
-  ajv-formats@2.1.1:
-    dependencies:
+  ajv-formats@2.1.1(ajv@8.17.1):
+    optionalDependencies:
       ajv: 8.17.1
 
   ajv-keywords@3.5.2(ajv@6.12.6):
@@ -13393,7 +13399,7 @@ snapshots:
     dependencies:
       '@types/json-schema': 7.0.15
       ajv: 8.17.1
-      ajv-formats: 2.1.1
+      ajv-formats: 2.1.1(ajv@8.17.1)
       ajv-keywords: 5.1.0(ajv@8.17.1)
 
   semver-diff@3.1.1:
@@ -14076,7 +14082,7 @@ snapshots:
       - walrus
       - whiskers
 
-  tether@2.0.0: {}
+  tether@3.0.2: {}
 
   text-table@0.2.0: {}