diff --git a/README.md b/README.md
index ffe84b2..27ed9d7 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,6 @@
 # xxhash.nim
 xxhash wrapper for Nim
+
+
+## Credits
+This module uses [@rockcavera](https://github.com/rockcavera)'s [nint128](https://github.com/rockcavera/nim-nint128) for XXH128 computation
diff --git a/src/xxhash.nim b/src/xxhash.nim
index 8634318..d658e51 100644
--- a/src/xxhash.nim
+++ b/src/xxhash.nim
@@ -1,8 +1,10 @@
+import pkg/nint128
+
 {.compile: "private/xxHash/xxhash.c".}
 
 # One-shot functions
-proc XXH32*(input: ptr UncheckedArray[byte], length: csize_t, seed: uint32): uint32 {.cdecl, importc: "XXH32".}
-proc XXH64*(input: ptr UncheckedArray[byte], length: csize_t, seed: uint64): uint64  {.cdecl, importc: "XXH64".}
+proc XXH32*(input: ptr UncheckedArray[byte], length: csize_t, seed: uint32): uint32 {.cdecl, importc.}
+proc XXH64*(input: ptr UncheckedArray[byte], length: csize_t, seed: uint64): uint64  {.cdecl, importc.}
 
 proc XXH32*(input: cstring, length: int, seed: uint32): uint32 {.inline.} =
   XXH32(cast[ptr UncheckedArray[byte]](input), length.csize_t, seed)
@@ -16,13 +18,28 @@ proc XXH32*(input: string, seed = 0): uint32 {.inline.} =
 proc XXH64*(input: string, seed = 0): uint64 {.inline.} =
   XXH64(input.cstring, input.len, seed.uint64)
 
-proc XXH3_64bits*(input: ptr UncheckedArray[byte], length: csize_t): uint64 {.cdecl, importc: "XXH3_64bits".}
-proc XXH3_64bits_withSeed*(input: ptr UncheckedArray[byte], length: csize_t, seed: uint64): uint64 {.cdecl, importc: "XXH3_64bits_withSeed".}
+proc XXH3_64bits*(input: ptr UncheckedArray[byte], length: csize_t): uint64 {.cdecl, importc.}
+proc XXH3_64bits_withSeed*(input: ptr UncheckedArray[byte], length: csize_t, seed: uint64): uint64 {.cdecl, importc.}
+
+template XXH3_64bits*(input: string): uint64 =
+  XXH3_64bits(cast[ptr UncheckedArray[byte]](input.cstring), input.len.csize_t)
+template XXH3_64bits_withSeed*(input: string, seed: uint64): uint64 =
+  XXH3_64bits_withSeed(cast[ptr UncheckedArray[byte]](input.cstring), input.len.csize_t, seed)
+
 
-proc XXH3_64bits*(input: string): uint64 =
-  XXH3_64bits(cast[ptr UncheckedArray[byte]](unsafeAddr input[0]), input.len.csize_t)
-proc XXH3_64bits_withSeed*(input: string, seed: uint64): uint64 =
-  XXH3_64bits_withSeed(cast[ptr UncheckedArray[byte]](unsafeAddr input[0]), input.len.csize_t, seed)
+proc XXH3_128bits*(input: ptr UncheckedArray[byte], length: csize_t): UInt128 {.cdecl, importc.}
+proc XXH3_128bits_withSeed*(input: ptr UncheckedArray[byte], length: csize_t, seed: uint64): UInt128 {.cdecl, importc.}
+proc XXH3_128bits_withSecret*(input: ptr UncheckedArray[byte], length: csize_t, secret: ptr UncheckedArray[byte], secretSize: csize_t): UInt128 {.cdecl, importc.}
+proc XXH3_128bits_withSecretandSeed*(input: ptr UncheckedArray[byte], length: csize_t, secret: ptr UncheckedArray[byte], secretSize: csize_t, seed: uint64): UInt128 {.cdecl, importc.}
+
+template XXH3_128bits*(input: string): UInt128 =
+  XXH3_128bits(cast[ptr UncheckedArray[byte]](input.cstring), input.len.csize_t)
+template XXH3_128bits_withSeed*(input: string, seed: uint64): UInt128 =
+  XXH3_128bits_withSeed(cast[ptr UncheckedArray[byte]](input.cstring), input.len.csize_t, seed)
+template XXH3_128bits_withSecret*(input: string, secret: string): UInt128 =
+  XXH3_128bits_withSecret(cast[ptr UncheckedArray[byte]](input.cstring), input.len.csize_t, cast[ptr UncheckedArray[byte]](secret.cstring), secret.len.csize_t)
+template XXH3_128bits_withSecretandSeed*(input: string, secret: string, seed: uint64): UInt128 =
+  XXH3_128bits_withSecretandSeed(cast[ptr UncheckedArray[byte]](input.cstring), input.len.csize_t, cast[ptr UncheckedArray[byte]](secret.cstring), secret.len.csize_t, seed)
 
 # Streaming api
 type
@@ -35,6 +52,8 @@ type
     llstate*: LLxxh64State # wrapped in a object for destructor
   Xxh3_64State* = object
     llstate*: LLxxh3_64State # wrapped in a object for destructor
+  Xxh128State* = object
+    llstate*: LLxxh3_64State
 
 proc XXH32_createState*(): LLxxh32State {.cdecl, importc: "XXH32_createState".}
 proc XXH32_freeState*(state: LLxxh32State) {.cdecl, importc: "XXH32_freeState".}
@@ -58,7 +77,7 @@ proc `$`*(state: Xxh32State): string =
 proc reset*(state: Xxh32State, seed = 0'u32) =
   state.llstate.XXH32_reset(seed)
 
-proc `=destroy`*(state: var Xxh32State) =
+proc `=destroy`*(state: Xxh32State) =
   state.llstate.XXH32_freeState()
 
 
@@ -85,7 +104,7 @@ proc `$`*(state: XxH3_64State): string =
 proc reset*(state: XxH3_64State, seed = 0'u64) =
   state.llstate.XXH3_64_reset_withSeed(seed)
 
-proc `=destroy`*(state: var XxH3_64State) =
+proc `=destroy`*(state: XxH3_64State) =
   state.llstate.XXH3_freeState()
 
 proc XXH64_createState*(): LLxxh64State {.cdecl, importc: "XXH64_createState".}
@@ -110,20 +129,59 @@ proc `$`*(state: Xxh64State): string =
 proc reset*(state: Xxh64State, seed = 0'u64) =
   state.llstate.XXH64_reset(seed)
 
-proc `=destroy`*(state: var Xxh64State) =
+proc `=destroy`*(state: Xxh64State) =
   state.llstate.XXH64_freeState()
 
+proc XXH128_reset*(state: LLxxh3_64State, seed: uint64 = 0) {.cdecl, importc: "XXH3_128bits_reset".}
+proc XXH128_reset_withSeed*(state: LLxxh3_64State, seed: uint64 = 0) {.cdecl, importc: "XXH128_reset_withSeed".}
+proc XXH128_reset_withSecret*(state: LLxxh3_64State, secret: cstring, len: int) {.cdecl, importc: "XXH128_reset_withSecret".}
+proc XXH128_update*(state: LLxxh3_64State, input: cstring, len: int) {.cdecl, importc: "XXH128_update".}
+proc XXH128_digest*(state: LLxxh3_64State): UInt128 {.cdecl, importc: "XXH128_digest".}
+
+proc newXxh128*(seed: uint64 = 0): Xxh128State =
+  result.llstate = XXH3_createState()
+  result.llstate.XXH128_reset_withSeed(seed)
+
+proc newXxh128*(secret: string): Xxh128State =
+  result.llstate = XXH3_createState()
+  result.llstate.XXH128_reset_withSecret(secret.cstring, secret.len)
+
+proc update*(state: Xxh128State, input: string) =
+  state.llstate.XXH128_update(input.cstring, input.len)
+
+proc digest*(state: Xxh128State): UInt128 =
+  return state.llstate.XXH128_digest()
+
+proc `$`*(state: Xxh128State): string =
+  return $state.digest
+
+proc reset*(state: Xxh128State, seed = 0'u64) =
+  state.llstate.XXH128_reset_withSeed(seed)
+
+proc resetWithSecret*(state: Xxh128State, secret: string) =
+  state.llstate.XXH128_reset_withSecret(secret.cstring, secret.len)
+
+proc `=destroy`*(state: Xxh128State) =
+  state.llstate.XXH3_freeState()
+
 when isMainModule:
+  import strutils
   block:
     # One Shot
     assert 3794352943'u32 == XXH32("Nobody inspects the spammish repetition")
     assert 0xB559B98D844E0635'u64 == XXH64("xxhash", 20141025)
 
   block:
+    assert 16629034431890738719'u64 == XXH3_64bits("a")
     assert 0x7051CC31E84FF73'u64 == XXH3_64bits("meow")
     assert 0x4268DCFE699316D8'u64 == XXH3_64bits_withSeed("meow meow meow", 42)
     assert XXH3_64bits("Abracadabra") == XXH3_64bits_withSeed("Abracadabra", 0)
 
+  block:
+    assert parseUInt128("225219434562328483135862406050043285023") == XXH3_128bits("a")
+    assert parseUInt128("225219434562328483135862406050043285023") == XXH3_128bits_withSeed("a", 0)
+    assert parseUInt128("337425133163118381928709500770786453280") == XXH3_128bits_withSeed("a", 1)
+
   const msg = "foo"
   const msgh32 = 0xe20f0dd9'u32
   const msgh64 = 0x33bf00a859c4ba3f'u64
diff --git a/xxhash.nimble b/xxhash.nimble
index e7bacb6..7acef01 100644
--- a/xxhash.nimble
+++ b/xxhash.nimble
@@ -1,10 +1,10 @@
 [Package]
 name          = "xxhash"
-version       = "0.10.0"
+version       = "0.11.0"
 author        = "Huy Doan"
 description   = "xxhash wrapper for Nim"
 license       = "MIT"
 srcDir        = "src"
 
 [Deps]
-Requires: "nim >= 1.2.6"
+Requires: "nim >= 1.2.6", "nint128 >= 0.3.3"