diff --git a/Makefile b/Makefile
index 898262a..f968e05 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 
 .PHONY:
 build-spec-tests:
-	go run github.com/ferranbt/fastssz/sszgen --path ./spectests/structs.go --exclude-objs Hash,Uint256
-	go run github.com/ferranbt/fastssz/sszgen --path ./tests
+	go run github.com/NilFoundation/fastssz/sszgen --path ./spectests/structs.go --exclude-objs Hash,Uint256
+	go run github.com/NilFoundation/fastssz/sszgen --path ./tests
 
 .PHONY:
 get-spec-tests:
diff --git a/README.md b/README.md
index 0cfec1b..32ac512 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ $ FUZZ_TESTS=True go test -v ./spectests/... -run TestFuzz
 To install the generator run:
 
 ```
-$ go get github.com/ferranbt/fastssz/sszgen
+$ go get github.com/NilFoundation/fastssz/sszgen
 ```
 
 Benchmark (BeaconBlock):
@@ -65,7 +65,7 @@ Benchmark (BeaconBlock):
 $ go test -v ./spectests/... -run=XXX -bench=.
 goos: linux
 goarch: amd64
-pkg: github.com/ferranbt/fastssz/spectests
+pkg: github.com/NilFoundation/fastssz/spectests
 cpu: AMD Ryzen 5 2400G with Radeon Vega Graphics
 BenchmarkMarshal_Fast
 BenchmarkMarshal_Fast-8             	  291054	      4088 ns/op	    8192 B/op	       1 allocs/op
@@ -80,7 +80,7 @@ BenchmarkHashTreeRoot_SuperFast-8   	   54078	     21999 ns/op	       0 B/op
 BenchmarkProof_Tree
 BenchmarkProof_Tree-8               	    3649	    312761 ns/op	  118145 B/op	    1605 allocs/op
 PASS
-ok  	github.com/ferranbt/fastssz/spectests	5.501s
+ok  	github.com/NilFoundation/fastssz/spectests	5.501s
 ```
 
 ## Package reference
diff --git a/go.mod b/go.mod
index 8f90dde..f70a7e9 100644
--- a/go.mod
+++ b/go.mod
@@ -1,4 +1,4 @@
-module github.com/ferranbt/fastssz
+module github.com/NilFoundation/fastssz
 
 go 1.22
 
diff --git a/spectests/beacon_state_bellatrix_test.go b/spectests/beacon_state_bellatrix_test.go
index f7e8ec1..4077d38 100644
--- a/spectests/beacon_state_bellatrix_test.go
+++ b/spectests/beacon_state_bellatrix_test.go
@@ -5,7 +5,7 @@ import (
 	"os"
 	"testing"
 
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 	"github.com/stretchr/testify/require"
 )
 
diff --git a/spectests/structs_encoding.go b/spectests/structs_encoding.go
index 1dbfafa..4e0f869 100644
--- a/spectests/structs_encoding.go
+++ b/spectests/structs_encoding.go
@@ -4,7 +4,7 @@
 package spectests
 
 import (
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 )
 
 // MarshalSSZ ssz marshals the AggregateAndProof object
diff --git a/spectests/structs_fuzz_test.go b/spectests/structs_fuzz_test.go
index fd88067..11914ce 100644
--- a/spectests/structs_fuzz_test.go
+++ b/spectests/structs_fuzz_test.go
@@ -8,7 +8,7 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/ferranbt/fastssz/fuzz"
+	"github.com/NilFoundation/fastssz/fuzz"
 )
 
 func randomInt(min, max int) int {
diff --git a/spectests/structs_test.go b/spectests/structs_test.go
index 910734e..e1aa268 100644
--- a/spectests/structs_test.go
+++ b/spectests/structs_test.go
@@ -9,7 +9,7 @@ import (
 	"strings"
 	"testing"
 
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 	"github.com/golang/snappy"
 	"github.com/prysmaticlabs/gohashtree"
 
diff --git a/sszgen/generator/generator.go b/sszgen/generator/generator.go
index aa9ba43..57267e7 100644
--- a/sszgen/generator/generator.go
+++ b/sszgen/generator/generator.go
@@ -18,7 +18,7 @@ import (
 	"strings"
 	"text/template"
 
-	"github.com/ferranbt/fastssz/sszgen/version"
+	"github.com/NilFoundation/fastssz/sszgen/version"
 	"github.com/iden3/go-iden3-crypto/poseidon"
 )
 
@@ -401,7 +401,7 @@ func (e *env) print(order []string) (string, bool, error) {
 	package {{.package}}
 
 	import (
-		ssz "github.com/ferranbt/fastssz" {{ if .imports }}{{ range $value := .imports }}
+		ssz "github.com/NilFoundation/fastssz" {{ if .imports }}{{ range $value := .imports }}
 			{{ $value }} {{ end }}
 		{{ end }}
 	)
diff --git a/sszgen/main.go b/sszgen/main.go
index 05a44eb..51dc2cf 100644
--- a/sszgen/main.go
+++ b/sszgen/main.go
@@ -6,8 +6,8 @@ import (
 	"os"
 	"strings"
 
-	"github.com/ferranbt/fastssz/sszgen/generator"
-	"github.com/ferranbt/fastssz/sszgen/version"
+	"github.com/NilFoundation/fastssz/sszgen/generator"
+	"github.com/NilFoundation/fastssz/sszgen/version"
 )
 
 func main() {
diff --git a/sszgen/testcases/case1_encoding.go b/sszgen/testcases/case1_encoding.go
index 741ec3a..225bb59 100644
--- a/sszgen/testcases/case1_encoding.go
+++ b/sszgen/testcases/case1_encoding.go
@@ -4,7 +4,7 @@
 package testcases
 
 import (
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 )
 
 // MarshalSSZ ssz marshals the Case1A object
diff --git a/sszgen/testcases/case2_encoding.go b/sszgen/testcases/case2_encoding.go
index 27d807b..c4bf677 100644
--- a/sszgen/testcases/case2_encoding.go
+++ b/sszgen/testcases/case2_encoding.go
@@ -4,7 +4,7 @@
 package testcases
 
 import (
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 )
 
 // MarshalSSZ ssz marshals the Case2A object
diff --git a/sszgen/testcases/case3.go b/sszgen/testcases/case3.go
index ed328d4..dd749f6 100644
--- a/sszgen/testcases/case3.go
+++ b/sszgen/testcases/case3.go
@@ -1,7 +1,7 @@
 package testcases
 
 import (
-	"github.com/ferranbt/fastssz/sszgen/testcases/other"
+	"github.com/NilFoundation/fastssz/sszgen/testcases/other"
 )
 
 //go:generate go run ../main.go --path case3.go
diff --git a/sszgen/testcases/case3_encoding.go b/sszgen/testcases/case3_encoding.go
index bf09cc6..8c53d7b 100644
--- a/sszgen/testcases/case3_encoding.go
+++ b/sszgen/testcases/case3_encoding.go
@@ -1,11 +1,11 @@
 // Code generated by fastssz. DO NOT EDIT.
-// Hash: 08a1c4ee3ea715c80a7a22849c7bd1ef7ba338cd3a1540de1bc941c23bceeaa1
+// Hash: 0aca0ed5db0471d3c88ee07357f9f54fcfd884b2ecf33ae591401ee982980434
 // Version: 0.1.3
 package testcases
 
 import (
-	ssz "github.com/ferranbt/fastssz"
-	"github.com/ferranbt/fastssz/sszgen/testcases/other"
+	ssz "github.com/NilFoundation/fastssz"
+	"github.com/NilFoundation/fastssz/sszgen/testcases/other"
 )
 
 // MarshalSSZ ssz marshals the Case3B object
diff --git a/sszgen/testcases/case4.go b/sszgen/testcases/case4.go
index 107d762..31b2352 100644
--- a/sszgen/testcases/case4.go
+++ b/sszgen/testcases/case4.go
@@ -1,8 +1,8 @@
 package testcases
 
 import (
-	"github.com/ferranbt/fastssz/sszgen/testcases/other"
-	alias "github.com/ferranbt/fastssz/sszgen/testcases/other2"
+	"github.com/NilFoundation/fastssz/sszgen/testcases/other"
+	alias "github.com/NilFoundation/fastssz/sszgen/testcases/other2"
 )
 
 //go:generate go run ../main.go --include ./other,./other2 --path case4.go
diff --git a/sszgen/testcases/case4_encoding.go b/sszgen/testcases/case4_encoding.go
index dee6ab5..316b9cb 100644
--- a/sszgen/testcases/case4_encoding.go
+++ b/sszgen/testcases/case4_encoding.go
@@ -1,12 +1,12 @@
 // Code generated by fastssz. DO NOT EDIT.
-// Hash: 1972e16d65fdcc8211a5dfdf1e8ed9466bea4e0d7a1107df19a594eb7bf09928
+// Hash: 0b9226602a80c088edc665b1a1ad735449906d7d98eada191a05d0041d01e705
 // Version: 0.1.3
 package testcases
 
 import (
-	ssz "github.com/ferranbt/fastssz"
-	"github.com/ferranbt/fastssz/sszgen/testcases/other"
-	alias "github.com/ferranbt/fastssz/sszgen/testcases/other2"
+	ssz "github.com/NilFoundation/fastssz"
+	"github.com/NilFoundation/fastssz/sszgen/testcases/other"
+	alias "github.com/NilFoundation/fastssz/sszgen/testcases/other2"
 )
 
 // MarshalSSZ ssz marshals the Case4 object
diff --git a/sszgen/testcases/case5_encoding.go b/sszgen/testcases/case5_encoding.go
index 10fa10d..04730cd 100644
--- a/sszgen/testcases/case5_encoding.go
+++ b/sszgen/testcases/case5_encoding.go
@@ -4,7 +4,7 @@
 package testcases
 
 import (
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 )
 
 // MarshalSSZ ssz marshals the Case5A object
diff --git a/sszgen/testcases/case6_encoding.go b/sszgen/testcases/case6_encoding.go
index ad59b4f..be6edb9 100644
--- a/sszgen/testcases/case6_encoding.go
+++ b/sszgen/testcases/case6_encoding.go
@@ -4,7 +4,7 @@
 package testcases
 
 import (
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 )
 
 // MarshalSSZ ssz marshals the Case6 object
diff --git a/sszgen/testcases/case7_encoding.go b/sszgen/testcases/case7_encoding.go
index 73e25d7..222612a 100644
--- a/sszgen/testcases/case7_encoding.go
+++ b/sszgen/testcases/case7_encoding.go
@@ -4,7 +4,7 @@
 package testcases
 
 import (
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 )
 
 // MarshalSSZ ssz marshals the Case7 object
diff --git a/sszgen/testcases/container_encoding.go b/sszgen/testcases/container_encoding.go
index 5c58766..886b0f7 100644
--- a/sszgen/testcases/container_encoding.go
+++ b/sszgen/testcases/container_encoding.go
@@ -4,7 +4,7 @@
 package testcases
 
 import (
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 )
 
 // MarshalSSZ ssz marshals the Vec object
diff --git a/sszgen/testcases/issue_127_encoding.go b/sszgen/testcases/issue_127_encoding.go
index 7a5d175..6e19eba 100644
--- a/sszgen/testcases/issue_127_encoding.go
+++ b/sszgen/testcases/issue_127_encoding.go
@@ -4,7 +4,7 @@
 package testcases
 
 import (
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 )
 
 // MarshalSSZ ssz marshals the Obj2 object
diff --git a/sszgen/testcases/issue_136.go b/sszgen/testcases/issue_136.go
index 25d2144..53c1c8d 100644
--- a/sszgen/testcases/issue_136.go
+++ b/sszgen/testcases/issue_136.go
@@ -1,6 +1,6 @@
 package testcases
 
-import "github.com/ferranbt/fastssz/sszgen/testcases/other"
+import "github.com/NilFoundation/fastssz/sszgen/testcases/other"
 
 //go:generate go run ../main.go --path issue_136.go --include ./other
 
diff --git a/sszgen/testcases/issue_136_encoding.go b/sszgen/testcases/issue_136_encoding.go
index 760ee54..d54c337 100644
--- a/sszgen/testcases/issue_136_encoding.go
+++ b/sszgen/testcases/issue_136_encoding.go
@@ -1,10 +1,10 @@
 // Code generated by fastssz. DO NOT EDIT.
-// Hash: 22872cb5f02d33c6ee2acc9844f53481205561564476c8432034be93eabdb966
+// Hash: 1bb7e03ae032f29c7e41ebec8539d7bcf5a2f5a50de987af189c469a1dba4af2
 // Version: 0.1.3
 package testcases
 
 import (
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 )
 
 // MarshalSSZ ssz marshals the Issue136 object
diff --git a/sszgen/testcases/issue_153_encoding.go b/sszgen/testcases/issue_153_encoding.go
index e72e868..4b27a91 100644
--- a/sszgen/testcases/issue_153_encoding.go
+++ b/sszgen/testcases/issue_153_encoding.go
@@ -4,7 +4,7 @@
 package testcases
 
 import (
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 )
 
 // MarshalSSZ ssz marshals the Issue153 object
diff --git a/sszgen/testcases/issue_156_encoding.go b/sszgen/testcases/issue_156_encoding.go
index 880d701..5dbe8f9 100644
--- a/sszgen/testcases/issue_156_encoding.go
+++ b/sszgen/testcases/issue_156_encoding.go
@@ -4,7 +4,7 @@
 package testcases
 
 import (
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 )
 
 // MarshalSSZ ssz marshals the Issue156 object
diff --git a/sszgen/testcases/list_encoding.go b/sszgen/testcases/list_encoding.go
index b26e507..673a028 100644
--- a/sszgen/testcases/list_encoding.go
+++ b/sszgen/testcases/list_encoding.go
@@ -4,7 +4,7 @@
 package testcases
 
 import (
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 )
 
 // MarshalSSZ ssz marshals the BytesWrapper object
diff --git a/sszgen/testcases/other/case3_encoding.go b/sszgen/testcases/other/case3_encoding.go
index 6ad63b1..ae14c96 100644
--- a/sszgen/testcases/other/case3_encoding.go
+++ b/sszgen/testcases/other/case3_encoding.go
@@ -4,7 +4,7 @@
 package other
 
 import (
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 )
 
 // MarshalSSZ ssz marshals the Case3B object
diff --git a/sszgen/testcases/other/case4.go b/sszgen/testcases/other/case4.go
index dbbc771..ba9b23e 100644
--- a/sszgen/testcases/other/case4.go
+++ b/sszgen/testcases/other/case4.go
@@ -1,6 +1,6 @@
 package other
 
-import ssz "github.com/ferranbt/fastssz"
+import ssz "github.com/NilFoundation/fastssz"
 
 type Case4Interface struct {
 }
diff --git a/sszgen/testcases/pr_152_encoding.go b/sszgen/testcases/pr_152_encoding.go
index 7f16bd9..7965f27 100644
--- a/sszgen/testcases/pr_152_encoding.go
+++ b/sszgen/testcases/pr_152_encoding.go
@@ -4,7 +4,7 @@
 package testcases
 
 import (
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 )
 
 // MarshalSSZ ssz marshals the PR1512 object
diff --git a/sszgen/testcases/time_encoding.go b/sszgen/testcases/time_encoding.go
index b85ebc2..1ea7e28 100644
--- a/sszgen/testcases/time_encoding.go
+++ b/sszgen/testcases/time_encoding.go
@@ -3,7 +3,7 @@
 package testcases
 
 import (
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 )
 
 // MarshalSSZ ssz marshals the TimeType object
diff --git a/sszgen/testcases/uint_encoding.go b/sszgen/testcases/uint_encoding.go
index 8863458..8d4e438 100644
--- a/sszgen/testcases/uint_encoding.go
+++ b/sszgen/testcases/uint_encoding.go
@@ -4,7 +4,7 @@
 package testcases
 
 import (
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 )
 
 // MarshalSSZ ssz marshals the Uints object
diff --git a/tests/codetrie_encoding.go b/tests/codetrie_encoding.go
index bc3a7e5..cb2cc84 100644
--- a/tests/codetrie_encoding.go
+++ b/tests/codetrie_encoding.go
@@ -4,7 +4,7 @@
 package tests
 
 import (
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 )
 
 // MarshalSSZ ssz marshals the Metadata object
diff --git a/tests/codetrie_test.go b/tests/codetrie_test.go
index 5a7e047..2b529dc 100644
--- a/tests/codetrie_test.go
+++ b/tests/codetrie_test.go
@@ -7,7 +7,7 @@ import (
 	"testing"
 	"time"
 
-	ssz "github.com/ferranbt/fastssz"
+	ssz "github.com/NilFoundation/fastssz"
 	"github.com/iden3/go-iden3-crypto/poseidon"
 )