diff --git a/.changeset/curvy-seals-pretend.md b/.changeset/curvy-seals-pretend.md
new file mode 100644
index 0000000..2b70752
--- /dev/null
+++ b/.changeset/curvy-seals-pretend.md
@@ -0,0 +1,5 @@
+---
+'astro-purgecss': minor
+---
+
+Upgrade to purgecss@7.x
diff --git a/packages/astro-purgecss/package.json b/packages/astro-purgecss/package.json
index 4ab9b20..73b15f6 100644
--- a/packages/astro-purgecss/package.json
+++ b/packages/astro-purgecss/package.json
@@ -45,6 +45,6 @@
   },
   "peerDependencies": {
     "astro": "^4.0.0",
-    "purgecss": "^6.0.0"
+    "purgecss": "^7.0.0"
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 7dc603a..9b3ee5a 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -126,8 +126,8 @@ importers:
         specifier: ^4.0.0
         version: 4.16.13(@types/node@22.9.1)(rollup@4.27.3)(typescript@5.6.3)
       purgecss:
-        specifier: ^6.0.0
-        version: 6.0.0
+        specifier: ^7.0.0
+        version: 7.0.2
 
   packages/astro-seo-meta:
     dependencies:
@@ -1831,6 +1831,11 @@ 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@7.2.3:
     resolution: {integrity: sha512-nFR0zLpU2YCaRxwoCJvL6UvCH2JFyFVIvwTLsIf21AuHlMskA1hhTdk+LlYJtOlYt9v6dvszD2BGRqBL+iQK9Q==}
     deprecated: Glob versions prior to v9 are no longer supported
@@ -2013,6 +2018,10 @@ 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}
+
   javascript-stringify@2.1.0:
     resolution: {integrity: sha512-JVAfqNPTvNq3sB/VHQJAFxN/sPgKnsKrCwyRt15zwNCdrMMJDdcEOdubuy+DuJYYdm0ox1J4uzEuYKkN+9yhVg==}
 
@@ -2098,6 +2107,10 @@ 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@5.1.1:
     resolution: {integrity: sha512-KpNARQA3Iwv+jTA0utUVVbrh+Jlrr1Fv0e56GGzAFOXN7dk/FviaDW8LHmK52DlcH4WP2n6gI8vN1aesBFgo9w==}
 
@@ -2267,6 +2280,10 @@ packages:
     resolution: {integrity: sha512-VP79XUPxV2CigYP3jWwAUFSku2aKqBH7uTAapFWCBqutsbmDo96KY5o8uh6U+/YSIn5OxJnXp73beVkpqMIGhA==}
     engines: {node: '>=18'}
 
+  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==}
 
@@ -2445,6 +2462,10 @@ 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-type@4.0.0:
     resolution: {integrity: sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==}
     engines: {node: '>=8'}
@@ -2545,8 +2566,8 @@ packages:
     resolution: {integrity: sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg==}
     engines: {node: '>=6'}
 
-  purgecss@6.0.0:
-    resolution: {integrity: sha512-s3EBxg5RSWmpqd0KGzNqPiaBbWDz1/As+2MzoYVGMqgDqRTLBhJW6sywfTBek7OwNfoS/6pS0xdtvChNhFj2cw==}
+  purgecss@7.0.2:
+    resolution: {integrity: sha512-4Ku8KoxNhOWi9X1XJ73XY5fv+I+hhTRedKpGs/2gaBKU8ijUiIKF/uyyIyh7Wo713bELSICF5/NswjcuOqYouQ==}
     hasBin: true
 
   query-registry@3.0.1:
@@ -5021,6 +5042,15 @@ 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@7.2.3:
     dependencies:
       fs.realpath: 1.0.0
@@ -5233,6 +5263,10 @@ snapshots:
     optionalDependencies:
       '@pkgjs/parseargs': 0.11.0
 
+  jackspeak@4.0.2:
+    dependencies:
+      '@isaacs/cliui': 8.0.2
+
   javascript-stringify@2.1.0: {}
 
   joycon@3.1.1: {}
@@ -5298,6 +5332,8 @@ snapshots:
 
   lru-cache@10.4.3: {}
 
+  lru-cache@11.0.2: {}
+
   lru-cache@5.1.1:
     dependencies:
       yallist: 3.1.1
@@ -5657,6 +5693,10 @@ snapshots:
 
   mimic-function@5.0.1: {}
 
+  minimatch@10.0.1:
+    dependencies:
+      brace-expansion: 2.0.1
+
   minimatch@3.1.2:
     dependencies:
       brace-expansion: 1.1.11
@@ -5830,6 +5870,11 @@ 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-type@4.0.0: {}
 
   pathe@1.1.2: {}
@@ -5911,10 +5956,10 @@ snapshots:
 
   punycode@2.3.1: {}
 
-  purgecss@6.0.0:
+  purgecss@7.0.2:
     dependencies:
       commander: 12.1.0
-      glob: 10.4.5
+      glob: 11.0.0
       postcss: 8.4.49
       postcss-selector-parser: 6.1.2