diff --git a/packages/ember-promise-modals/package.json b/packages/ember-promise-modals/package.json
index 8b2a1290..02f9b034 100644
--- a/packages/ember-promise-modals/package.json
+++ b/packages/ember-promise-modals/package.json
@@ -58,7 +58,7 @@
     "@babel/plugin-transform-class-properties": "7.24.1",
     "@embroider/addon-dev": "4.3.1",
     "@rollup/plugin-babel": "6.0.4",
-    "ember-template-lint": "5.13.0",
+    "ember-template-lint": "6.0.0",
     "eslint": "8.57.0",
     "eslint-config-prettier": "8.10.0",
     "eslint-plugin-ember": "11.12.0",
diff --git a/packages/test-app/package.json b/packages/test-app/package.json
index d3d8f4b6..72351b39 100644
--- a/packages/test-app/package.json
+++ b/packages/test-app/package.json
@@ -46,7 +46,7 @@
     "ember-resolver": "8.1.0",
     "ember-source": "4.12.4",
     "ember-source-channel-url": "3.0.0",
-    "ember-template-lint": "5.13.0",
+    "ember-template-lint": "6.0.0",
     "ember-try": "3.0.0",
     "eslint": "8.57.0",
     "eslint-config-prettier": "8.10.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 96a76c2b..db5e63fc 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -58,8 +58,8 @@ importers:
         specifier: 6.0.4
         version: 6.0.4(@babel/core@7.24.5)(rollup@4.18.0)
       ember-template-lint:
-        specifier: 5.13.0
-        version: 5.13.0
+        specifier: 6.0.0
+        version: 6.0.0
       eslint:
         specifier: 8.57.0
         version: 8.57.0
@@ -172,8 +172,8 @@ importers:
         specifier: 3.0.0
         version: 3.0.0
       ember-template-lint:
-        specifier: 5.13.0
-        version: 5.13.0
+        specifier: 6.0.0
+        version: 6.0.0
       ember-try:
         specifier: 3.0.0
         version: 3.0.0
@@ -2876,6 +2876,11 @@ packages:
     engines: {node: '>=6'}
     dev: true
 
+  /@sindresorhus/merge-streams@2.3.0:
+    resolution: {integrity: sha512-LtoMMhxAlorcGhmFYI+LhPgbPZCkgP6ra1YL604EeF6U98pLlQ3iWIGMdWSC+vWmPBWBNgmDBAhnAobLROJmwg==}
+    engines: {node: '>=18'}
+    dev: true
+
   /@sinonjs/commons@2.0.0:
     resolution: {integrity: sha512-uLa0j859mMrg2slwQYdO/AkrOfmH+X6LTVmNTS9CqexuE2IvVORIkSpJLqePAbEnKJ77aMmCwr1NUZ57120Xcg==}
     dependencies:
@@ -4669,6 +4674,11 @@ packages:
     engines: {node: '>=8'}
     dev: true
 
+  /ci-info@4.0.0:
+    resolution: {integrity: sha512-TdHqgGf9odd8SXNuxtUBVx8Nv+qZOejE6qyqiy5NtbYYQOeFa6zmHkxlPzmaLxWWHsU6nJmB7AETdVPi+2NBUg==}
+    engines: {node: '>=8'}
+    dev: true
+
   /class-utils@0.3.6:
     resolution: {integrity: sha512-qOhPa/Fj7s6TY8H8esGu5QNpMMQxz79h+urzrNYN6mn+9BnxlDGf5QZ+XeCDsxSjPqsSR56XOZOJmpeurnLMeg==}
     engines: {node: '>=0.10.0'}
@@ -5316,11 +5326,8 @@ packages:
       whatwg-url: 8.7.0
     dev: true
 
-  /date-fns@2.30.0:
-    resolution: {integrity: sha512-fnULvOpxnC5/Vg3NCiWelDsLiUc9bRwAPs/+LfTLNvetFCtCTN+yQz15C/fs4AwX1R9K5GLtLfn8QW+dWisaAw==}
-    engines: {node: '>=0.11'}
-    dependencies:
-      '@babel/runtime': 7.23.8
+  /date-fns@3.6.0:
+    resolution: {integrity: sha512-fRHTG8g/Gif+kSh50gaGEdToemgfj74aRX3swtiouboip5JDLAyDE9F11nHMIcvOaXeOC6D7SpNhi7uFyB7Uww==}
     dev: true
 
   /debug@2.6.9:
@@ -6207,23 +6214,23 @@ packages:
       - supports-color
     dev: true
 
-  /ember-template-lint@5.13.0:
-    resolution: {integrity: sha512-AYxz9S9fVZfHPmTsymc7NwsD7FVmDUZyfC+KYpxDlK0wic7JSQx2FNQNqQSBFRLOuzn7VQ0/+1pX6DGqKDGswg==}
-    engines: {node: ^14.18.0 || ^16.0.0 || >= 18.0.0}
+  /ember-template-lint@6.0.0:
+    resolution: {integrity: sha512-TWWt/qCd4KoQ50T3We5nCoKcsrAT8Ip79Kmm9eyWjjyL+LAbRFu0z+GxcmW7MR+QCNW/1LQs3kwEdtIcaHEGiA==}
+    engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
     hasBin: true
     dependencies:
       '@lint-todo/utils': 13.1.1
       aria-query: 5.3.0
       chalk: 5.3.0
-      ci-info: 3.9.0
-      date-fns: 2.30.0
+      ci-info: 4.0.0
+      date-fns: 3.6.0
       ember-template-imports: 3.4.2
       ember-template-recast: 6.1.4
       eslint-formatter-kakoune: 1.0.0
-      find-up: 6.3.0
-      fuse.js: 6.6.2
+      find-up: 7.0.0
+      fuse.js: 7.0.0
       get-stdin: 9.0.0
-      globby: 13.2.2
+      globby: 14.0.1
       is-glob: 4.0.3
       language-tags: 1.0.9
       micromatch: 4.0.5
@@ -7124,12 +7131,13 @@ packages:
       locate-path: 6.0.0
       path-exists: 4.0.0
 
-  /find-up@6.3.0:
-    resolution: {integrity: sha512-v2ZsoEuVHYy8ZIlYqwPe/39Cy+cFDzp4dXPaxNvkEuouymu+2Jbz0PxpKarJHYJTmv2HWT3O382qY8l4jMWthw==}
-    engines: {node: ^12.20.0 || ^14.13.1 || >=16.0.0}
+  /find-up@7.0.0:
+    resolution: {integrity: sha512-YyZM99iHrqLKjmt4LJDj58KI+fYyufRLBSYcqycxf//KpBk9FoewoGX0450m9nB44qrZnovzC2oeP5hUibxc/g==}
+    engines: {node: '>=18'}
     dependencies:
       locate-path: 7.2.0
       path-exists: 5.0.0
+      unicorn-magic: 0.1.0
     dev: true
 
   /find-yarn-workspace-root@1.2.1:
@@ -7432,8 +7440,8 @@ packages:
   /functions-have-names@1.2.3:
     resolution: {integrity: sha512-xckBUXyTIqT97tq2x2AMb+g163b5JFysYk0x4qxNFwbfQkmNZoiRHb6sPzI9/QV33WeuvVYBUIiD4NzNIyqaRQ==}
 
-  /fuse.js@6.6.2:
-    resolution: {integrity: sha512-cJaJkxCCxC8qIIcPBF9yGxY0W/tVZS3uEISDxhYIdtk8OL93pe+6Zj7LjCqVV4dzbqcriOZ+kQ/NE4RXZHsIGA==}
+  /fuse.js@7.0.0:
+    resolution: {integrity: sha512-14F4hBIxqKvD4Zz/XjDc3y94mNZN6pRv3U13Udo0lNLCWRBUsrMv2xwcF/y/Z5sV6+FQW+/ow68cHpm4sunt8Q==}
     engines: {node: '>=10'}
     dev: true
 
@@ -7697,15 +7705,16 @@ packages:
       slash: 3.0.0
     dev: true
 
-  /globby@13.2.2:
-    resolution: {integrity: sha512-Y1zNGV+pzQdh7H39l9zgB4PJqjRNqydvdYCDG4HFXM4XuvSaQQlEc91IU1yALL8gUTDomgBAfz3XJdmUS+oo0w==}
-    engines: {node: ^12.20.0 || ^14.13.1 || >=16.0.0}
+  /globby@14.0.1:
+    resolution: {integrity: sha512-jOMLD2Z7MAhyG8aJpNOpmziMOP4rPLcc95oQPKXBazW82z+CEgPFBQvEpRUa1KeIMUJo4Wsm+q6uzO/Q/4BksQ==}
+    engines: {node: '>=18'}
     dependencies:
-      dir-glob: 3.0.1
+      '@sindresorhus/merge-streams': 2.3.0
       fast-glob: 3.3.2
       ignore: 5.3.0
-      merge2: 1.4.1
-      slash: 4.0.0
+      path-type: 5.0.0
+      slash: 5.1.0
+      unicorn-magic: 0.1.0
     dev: true
 
   /globrex@0.1.2:
@@ -10069,6 +10078,11 @@ packages:
     engines: {node: '>=8'}
     dev: true
 
+  /path-type@5.0.0:
+    resolution: {integrity: sha512-5HviZNaZcfqP95rwpv+1HDgUamezbqdSYTyzjTvwtJSnIH+3vnbmWsItli8OFEndS984VT55M3jduxZbX351gg==}
+    engines: {node: '>=12'}
+    dev: true
+
   /picocolors@1.0.0:
     resolution: {integrity: sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==}
 
@@ -11475,9 +11489,9 @@ packages:
     engines: {node: '>=8'}
     dev: true
 
-  /slash@4.0.0:
-    resolution: {integrity: sha512-3dOsAHXXUkQTpOYcoAxLIorMTp4gIQr5IW3iVb7A7lFIp0VHhnynm9izx6TssdrIcVIESAlVjtnO2K8bg+Coew==}
-    engines: {node: '>=12'}
+  /slash@5.1.0:
+    resolution: {integrity: sha512-ZA6oR3T/pEyuqwMgAKT0/hAv8oAXckzbkmR0UkUosQ+Mc4RxGoJkRmwHgHufaenlyAgE1Mxgpdcrf75y6XcnDg==}
+    engines: {node: '>=14.16'}
     dev: true
 
   /smart-buffer@4.2.0:
@@ -12435,6 +12449,11 @@ packages:
     resolution: {integrity: sha512-6t3foTQI9qne+OZoVQB/8x8rk2k1eVy1gRXhV3oFQ5T6R1dqQ1xtin3XqSlx3+ATBkliTaR/hHyJBm+LVPNM8w==}
     engines: {node: '>=4'}
 
+  /unicorn-magic@0.1.0:
+    resolution: {integrity: sha512-lRfVq8fE8gz6QMBuDM6a+LO3IAzTi05H6gCVaUpir2E1Rwpo4ZUog45KpNXKC/Mn3Yb9UDuHumeFTo9iV/D9FQ==}
+    engines: {node: '>=18'}
+    dev: true
+
   /union-value@1.0.1:
     resolution: {integrity: sha512-tJfXmxMeWYnczCVs7XAEvIV7ieppALdyepWMkHkwciRpZraG/xwT+s2JN8+pr1+8jCRf80FFzvr+MpQeeoF4Xg==}
     engines: {node: '>=0.10.0'}