diff --git a/package.json b/package.json
index c83ce026d..b86f0ebde 100644
--- a/package.json
+++ b/package.json
@@ -114,7 +114,7 @@
     "@ember/string": "^3.1.1",
     "@ember/test-helpers": "^3.3.1",
     "@embroider/test-setup": "^3.0.3",
-    "@fullhuman/postcss-purgecss": "^4.1.3",
+    "@fullhuman/postcss-purgecss": "^7.0.2",
     "@release-it-plugins/lerna-changelog": "^7.0.0",
     "broccoli-asset-rev": "^3.0.0",
     "chai": "^4.5.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index e3f84d244..7de97a0d5 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -256,8 +256,8 @@ importers:
         specifier: ^3.0.3
         version: 3.0.3
       '@fullhuman/postcss-purgecss':
-        specifier: ^4.1.3
-        version: 4.1.3(postcss@8.4.49)
+        specifier: ^7.0.2
+        version: 7.0.2(postcss@8.4.49)
       '@release-it-plugins/lerna-changelog':
         specifier: ^7.0.0
         version: 7.0.0(release-it@16.3.0(encoding@0.1.13))
@@ -1350,8 +1350,8 @@ packages:
   '@fullhuman/postcss-purgecss@2.3.0':
     resolution: {integrity: sha512-qnKm5dIOyPGJ70kPZ5jiz0I9foVOic0j+cOzNDoo8KoCf6HjicIZ99UfO2OmE7vCYSKAAepEwJtNzpiiZAh9xw==}
 
-  '@fullhuman/postcss-purgecss@4.1.3':
-    resolution: {integrity: sha512-jqcsyfvq09VOsMXxJMPLRF6Fhg/NNltzWKnC9qtzva+QKTxerCO4esG6je7hbnmkpZtaDyPTwMBj9bzfWorsrw==}
+  '@fullhuman/postcss-purgecss@7.0.2':
+    resolution: {integrity: sha512-U4zAXNaVztbDxO9EdcLp51F3UxxYsb/7DN89rFxFJhfk2Wua2pvw2Kf3HdspbPhW/wpHjSjsxWYoIlbTgRSjbQ==}
     peerDependencies:
       postcss: ^8.0.0
 
@@ -3154,6 +3154,10 @@ packages:
     resolution: {integrity: sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==}
     engines: {node: '>= 0.8'}
 
+  commander@12.1.0:
+    resolution: {integrity: sha512-Vw8qHK3bZM9y/P10u3Vib8o/DdkvA2OtPtZvD871QKjy74Wj1WSKFILMPRPSdUSx5RFK1arlJzEtA4PkFgnbuA==}
+    engines: {node: '>=18'}
+
   commander@2.20.3:
     resolution: {integrity: sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==}
 
@@ -4943,6 +4947,11 @@ packages:
     resolution: {integrity: sha512-7Bv8RF0k6xjo7d4A/PxYLbUCfb6c+Vpd2/mB2yRDlew7Jb5hEXiCD9ibfO7wpk8i4sevK6DFny9h7EYbM3/sHg==}
     hasBin: true
 
+  glob@11.0.0:
+    resolution: {integrity: sha512-9UiX/Bl6J2yaBbxKoEBRm4Cipxgok8kQYcOPEhScPwebu2I0HoQOuYdIO6S3hLuWoZgpDpwQZMzTFxgpkyT76g==}
+    engines: {node: 20 || >=22}
+    hasBin: true
+
   glob@5.0.15:
     resolution: {integrity: sha512-c9IPMazfRITpmAAKi22dK1VKxGDX9ehhqfABDriL/lzO92xcUKEJPQHrVA/2YHSNFB4iFlykVmWvwo48nr3OxA==}
     deprecated: Glob versions prior to v9 are no longer supported
@@ -5670,6 +5679,10 @@ packages:
   jackspeak@3.4.3:
     resolution: {integrity: sha512-OGlZQpz2yfahA/Rd1Y8Cd9SIEsqvXkLVoSw/cgwhnhFMDbsQFeZYoJJ7bIZBS9BcamUW96asq/npPWugM+RQBw==}
 
+  jackspeak@4.0.2:
+    resolution: {integrity: sha512-bZsjR/iRjl1Nk1UkjGpAzLNfQtzuijhn2g+pbZb98HQ1Gk8vM9hfbxeMBP+M2/UUdwj0RqGG3mlvk2MsAqwvEw==}
+    engines: {node: 20 || >=22}
+
   jest-worker@27.5.1:
     resolution: {integrity: sha512-7vuh85V5cdDofPyxn58nrPjBktZo0u9x1g8WtjQol+jZDaE+fhN+cIvTj11GndBnMnyfrUOG1sZQxCdjKh+DKg==}
     engines: {node: '>= 10.13.0'}
@@ -5975,6 +5988,10 @@ packages:
   lru-cache@10.4.3:
     resolution: {integrity: sha512-JNAzZcXrCt42VGLuYz0zfAzDfAvJWW6AfYlDBQyDV5DClI2m5sAmK+OIO7s59XfsRsWHp02jAJrRadPRGTt6SQ==}
 
+  lru-cache@11.0.2:
+    resolution: {integrity: sha512-123qHRfJBmo2jXDbo/a5YOQrJoHF/GNQTLzQ5+IdK5pWpceK17yRc6ozlWd25FxvGKQbIUs91fDFkXmDHTKcyA==}
+    engines: {node: 20 || >=22}
+
   lru-cache@4.1.5:
     resolution: {integrity: sha512-sWZlbEP2OsHNkXrMl5GYk/jKk70MBng6UU4YI/qGDYbgf6YbP4EvmqISbXCoJiRKs+1bSpFHVgQxvJ17F2li5g==}
 
@@ -6254,6 +6271,10 @@ packages:
     peerDependencies:
       webpack: ^5.0.0
 
+  minimatch@10.0.1:
+    resolution: {integrity: sha512-ethXTt3SGGR+95gudmqJ1eNhRO7eGEGIgYA9vnPatK4/etz2MEVDno5GMCibdMTuBMyElzIlgxMna3K94XDIDQ==}
+    engines: {node: 20 || >=22}
+
   minimatch@3.1.2:
     resolution: {integrity: sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==}
 
@@ -6844,6 +6865,10 @@ packages:
     resolution: {integrity: sha512-Xa4Nw17FS9ApQFJ9umLiJS4orGjm7ZzwUrwamcGQuHSzDyth9boKDaycYdDcZDuqYATXw4HFXgaqWTctW/v1HA==}
     engines: {node: '>=16 || 14 >=14.18'}
 
+  path-scurry@2.0.0:
+    resolution: {integrity: sha512-ypGJsmGtdXUOeM5u93TyeIEfEhM6s+ljAhrk5vAvSx8uyY/02OvrZnA0YNGUrPXfpJMgI1ODd3nwz8Npx4O4cg==}
+    engines: {node: 20 || >=22}
+
   path-to-regexp@0.1.10:
     resolution: {integrity: sha512-7lf7qcQidTku0Gu3YDPc8DJ1q7OOucfa/BSsIwjuh56VU7katFvuM8hULfkwB3Fns/rsVF7PwPKVw1sl5KQS9w==}
 
@@ -7101,8 +7126,8 @@ packages:
     resolution: {integrity: sha512-BE5CROfVGsx2XIhxGuZAT7rTH9lLeQx/6M0P7DTXQH4IUc3BBzs9JUzt4yzGf3JrH9enkeq6YJBe9CTtkm1WmQ==}
     hasBin: true
 
-  purgecss@4.1.3:
-    resolution: {integrity: sha512-99cKy4s+VZoXnPxaoM23e5ABcP851nC2y2GROkkjS8eJaJtlciGavd7iYAw2V84WeBqggZ12l8ef44G99HmTaw==}
+  purgecss@7.0.2:
+    resolution: {integrity: sha512-4Ku8KoxNhOWi9X1XJ73XY5fv+I+hhTRedKpGs/2gaBKU8ijUiIKF/uyyIyh7Wo713bELSICF5/NswjcuOqYouQ==}
     hasBin: true
 
   q@1.5.1:
@@ -9995,10 +10020,10 @@ snapshots:
       postcss: 7.0.32
       purgecss: 2.3.0
 
-  '@fullhuman/postcss-purgecss@4.1.3(postcss@8.4.49)':
+  '@fullhuman/postcss-purgecss@7.0.2(postcss@8.4.49)':
     dependencies:
       postcss: 8.4.49
-      purgecss: 4.1.3
+      purgecss: 7.0.2
 
   '@gar/promisify@1.1.3': {}
 
@@ -12704,6 +12729,8 @@ snapshots:
     dependencies:
       delayed-stream: 1.0.0
 
+  commander@12.1.0: {}
+
   commander@2.20.3: {}
 
   commander@4.1.1: {}
@@ -15478,6 +15505,15 @@ snapshots:
       package-json-from-dist: 1.0.1
       path-scurry: 1.11.1
 
+  glob@11.0.0:
+    dependencies:
+      foreground-child: 3.3.0
+      jackspeak: 4.0.2
+      minimatch: 10.0.1
+      minipass: 7.1.2
+      package-json-from-dist: 1.0.1
+      path-scurry: 2.0.0
+
   glob@5.0.15:
     dependencies:
       inflight: 1.0.6
@@ -16270,6 +16306,10 @@ snapshots:
     optionalDependencies:
       '@pkgjs/parseargs': 0.11.0
 
+  jackspeak@4.0.2:
+    dependencies:
+      '@isaacs/cliui': 8.0.2
+
   jest-worker@27.5.1:
     dependencies:
       '@types/node': 22.9.0
@@ -16572,6 +16612,8 @@ snapshots:
 
   lru-cache@10.4.3: {}
 
+  lru-cache@11.0.2: {}
+
   lru-cache@4.1.5:
     dependencies:
       pseudomap: 1.0.2
@@ -16967,6 +17009,10 @@ snapshots:
       tapable: 2.2.1
       webpack: 5.97.1
 
+  minimatch@10.0.1:
+    dependencies:
+      brace-expansion: 2.0.1
+
   minimatch@3.1.2:
     dependencies:
       brace-expansion: 1.1.11
@@ -17586,6 +17632,11 @@ snapshots:
       lru-cache: 10.4.3
       minipass: 7.1.2
 
+  path-scurry@2.0.0:
+    dependencies:
+      lru-cache: 11.0.2
+      minipass: 7.1.2
+
   path-to-regexp@0.1.10: {}
 
   path-type@4.0.0: {}
@@ -17834,10 +17885,10 @@ snapshots:
       postcss: 7.0.32
       postcss-selector-parser: 6.1.2
 
-  purgecss@4.1.3:
+  purgecss@7.0.2:
     dependencies:
-      commander: 8.3.0
-      glob: 7.2.3
+      commander: 12.1.0
+      glob: 11.0.0
       postcss: 8.4.49
       postcss-selector-parser: 6.1.2