diff --git a/README.md b/README.md
index 5139213..d13705c 100644
--- a/README.md
+++ b/README.md
@@ -250,6 +250,7 @@ func main() {
 - **ar** - `application/x-unix-archive`
 - **Z** - `application/x-compress`
 - **lz** - `application/x-lzip`
+- **lz4** - `application/x-lz4`
 - **rpm** - `application/x-rpm`
 - **elf** - `application/x-executable`
 - **dcm** - `application/dicom`
diff --git a/fixtures/sample.lz4 b/fixtures/sample.lz4
new file mode 100644
index 0000000..fe874c3
Binary files /dev/null and b/fixtures/sample.lz4 differ
diff --git a/match_test.go b/match_test.go
index 946bb25..34baa76 100644
--- a/match_test.go
+++ b/match_test.go
@@ -54,6 +54,7 @@ func TestMatchFile(t *testing.T) {
 		{"zst"},
 		{"exr"},
 		{"avif"},
+		{"lz4"},
 	}
 
 	for _, test := range cases {
diff --git a/matchers/archive.go b/matchers/archive.go
index dd892ce..b07415e 100644
--- a/matchers/archive.go
+++ b/matchers/archive.go
@@ -31,6 +31,7 @@ var (
 	TypeAr     = newType("ar", "application/x-unix-archive")
 	TypeZ      = newType("Z", "application/x-compress")
 	TypeLz     = newType("lz", "application/x-lzip")
+	TypeLz4    = newType("lz4", "application/x-lz4")
 	TypeRpm    = newType("rpm", "application/x-rpm")
 	TypeElf    = newType("elf", "application/x-executable")
 	TypeDcm    = newType("dcm", "application/dicom")
@@ -62,6 +63,7 @@ var Archive = Map{
 	TypeAr:     bytePrefixMatcher(arMagic),
 	TypeZ:      Z,
 	TypeLz:     bytePrefixMatcher(lzMagic),
+	TypeLz4:    bytePrefixMatcher(lzMagic4),
 	TypeRpm:    Rpm,
 	TypeElf:    Elf,
 	TypeDcm:    Dcm,
@@ -95,6 +97,7 @@ var (
 	arMagic   = []byte{0x21, 0x3C, 0x61, 0x72, 0x63, 0x68, 0x3E}
 	zstdMagic = []byte{0x28, 0xB5, 0x2F, 0xFD}
 	lzMagic   = []byte{0x4C, 0x5A, 0x49, 0x50}
+	lzMagic4  = []byte{0x04, 0x22, 0x4D, 0x18} // 04 22 4D 18
 )
 
 func bytePrefixMatcher(magicPattern []byte) Matcher {