diff --git a/packages/tailwindcss/src/selector-parser.test.ts b/packages/tailwindcss/src/selector-parser.test.ts
index e0aacdbd1..e66abd90b 100644
--- a/packages/tailwindcss/src/selector-parser.test.ts
+++ b/packages/tailwindcss/src/selector-parser.test.ts
@@ -21,6 +21,18 @@ describe('parse', () => {
     ])
   })
 
+  it('should parse a pseudo-element selector with double ::', () => {
+    expect(parse('.foo::before')).toEqual([
+      {
+        kind: 'compound',
+        nodes: [
+          { kind: 'selector', value: '.foo' },
+          { kind: 'selector', value: '::before' },
+        ],
+      },
+    ])
+  })
+
   it('should parse a selector list', () => {
     expect(parse('.foo,.bar')).toEqual([
       {
diff --git a/packages/tailwindcss/src/selector-parser.ts b/packages/tailwindcss/src/selector-parser.ts
index c55b58bb6..fcc78b2e9 100644
--- a/packages/tailwindcss/src/selector-parser.ts
+++ b/packages/tailwindcss/src/selector-parser.ts
@@ -387,6 +387,11 @@ export function parse(input: string) {
       case FULL_STOP:
       case COLON:
       case NUMBER_SIGN: {
+        if (currentChar === COLON && buffer === ':') {
+          buffer += input[i]
+          break
+        }
+
         // Handle everything before the combinator as a selector and
         // start a new selector
         if (buffer.length > 0) {