diff --git a/README.md b/README.md
index 9170415a5..b431422c2 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ Issue priorities may be seen at https://github.com/orgs/c4exnet/projects/4
 
 ## Documentation
 
-The [documentation](https://github.com/c4exnet/docs) is a work-in-progress
+The [documentation](https://github.com/c4ei/docs) is a work-in-progress
 
 ## License
 
diff --git a/app/protocol/protocol.go b/app/protocol/protocol.go
index e385ab194..92ec88213 100644
--- a/app/protocol/protocol.go
+++ b/app/protocol/protocol.go
@@ -4,9 +4,9 @@ import (
 	"sync"
 	"sync/atomic"
 
+	v5 "github.com/c4ei/c4exd/app/protocol/flows/v5"
 	"github.com/c4ei/yunseokyeol/app/protocol/common"
 	"github.com/c4ei/yunseokyeol/app/protocol/flows/ready"
-	v5 "github.com/c4exnet/c4exd/app/protocol/flows/v5"
 
 	"github.com/c4ei/yunseokyeol/app/appmessage"
 	"github.com/c4ei/yunseokyeol/app/protocol/flows/handshake"
diff --git a/cmd/c4exwallet/daemon/server/split_transaction.go b/cmd/c4exwallet/daemon/server/split_transaction.go
index 77f4f4463..eb3bd2de9 100644
--- a/cmd/c4exwallet/daemon/server/split_transaction.go
+++ b/cmd/c4exwallet/daemon/server/split_transaction.go
@@ -1,7 +1,7 @@
 package server
 
 import (
-	"github.com/c4exnet/go-secp256k1"
+	"github.com/c4ei/go-secp256k1"
 	"github.com/pkg/errors"
 
 	"github.com/c4ei/yunseokyeol/cmd/c4exwallet/libc4exwallet"
diff --git a/cmd/c4exwallet/libkaspawallet/bip32/child_key_derivation.go b/cmd/c4exwallet/libkaspawallet/bip32/child_key_derivation.go
index a5b48655b..87744ea84 100644
--- a/cmd/c4exwallet/libkaspawallet/bip32/child_key_derivation.go
+++ b/cmd/c4exwallet/libkaspawallet/bip32/child_key_derivation.go
@@ -3,7 +3,7 @@ package bip32
 import (
 	"encoding/binary"
 
-	"github.com/c4exnet/go-secp256k1"
+	"github.com/c4ei/go-secp256k1"
 	"github.com/pkg/errors"
 )
 
diff --git a/cmd/c4exwallet/libkaspawallet/bip32/extended_key.go b/cmd/c4exwallet/libkaspawallet/bip32/extended_key.go
index 61eeac08a..66645e51c 100644
--- a/cmd/c4exwallet/libkaspawallet/bip32/extended_key.go
+++ b/cmd/c4exwallet/libkaspawallet/bip32/extended_key.go
@@ -2,7 +2,7 @@ package bip32
 
 import (
 	"github.com/btcsuite/btcutil/base58"
-	"github.com/c4exnet/go-secp256k1"
+	"github.com/c4ei/go-secp256k1"
 	"github.com/pkg/errors"
 )
 
diff --git a/cmd/c4exwallet/libkaspawallet/bip32/serialization.go b/cmd/c4exwallet/libkaspawallet/bip32/serialization.go
index 7b8ad956b..6b303fd26 100644
--- a/cmd/c4exwallet/libkaspawallet/bip32/serialization.go
+++ b/cmd/c4exwallet/libkaspawallet/bip32/serialization.go
@@ -3,8 +3,8 @@ package bip32
 import (
 	"encoding/binary"
 
+	"github.com/c4ei/go-secp256k1"
 	"github.com/c4ei/yunseokyeol/cmd/c4exwallet/libc4exwallet/bip32/base58"
-	"github.com/c4exnet/go-secp256k1"
 	"github.com/pkg/errors"
 )
 
diff --git a/cmd/c4exwallet/libkaspawallet/keypair.go b/cmd/c4exwallet/libkaspawallet/keypair.go
index acddfe307..d27d05405 100644
--- a/cmd/c4exwallet/libkaspawallet/keypair.go
+++ b/cmd/c4exwallet/libkaspawallet/keypair.go
@@ -5,10 +5,10 @@ import (
 	"sort"
 	"strings"
 
+	"github.com/c4ei/go-secp256k1"
 	"github.com/c4ei/yunseokyeol/cmd/c4exwallet/libc4exwallet/bip32"
 	"github.com/c4ei/yunseokyeol/domain/dagconfig"
 	"github.com/c4ei/yunseokyeol/util"
-	"github.com/c4exnet/go-secp256k1"
 	"github.com/pkg/errors"
 )
 
diff --git a/cmd/c4exwallet/sweep.go b/cmd/c4exwallet/sweep.go
index 4b95e2ad3..6fcdc6144 100644
--- a/cmd/c4exwallet/sweep.go
+++ b/cmd/c4exwallet/sweep.go
@@ -5,6 +5,7 @@ import (
 	"encoding/hex"
 	"fmt"
 
+	"github.com/c4ei/go-secp256k1"
 	"github.com/c4ei/yunseokyeol/cmd/c4exwallet/daemon/client"
 	"github.com/c4ei/yunseokyeol/cmd/c4exwallet/daemon/pb"
 	"github.com/c4ei/yunseokyeol/cmd/c4exwallet/libc4exwallet"
@@ -20,7 +21,6 @@ import (
 	"github.com/c4ei/yunseokyeol/domain/miningmanager/mempool"
 	"github.com/c4ei/yunseokyeol/util"
 	"github.com/c4ei/yunseokyeol/util/txmass"
-	"github.com/c4exnet/go-secp256k1"
 	"github.com/pkg/errors"
 )
 
diff --git a/domain/consensus/model/externalapi/blocklevelparents.go b/domain/consensus/model/externalapi/blocklevelparents.go
index afce35352..b7f0404fc 100644
--- a/domain/consensus/model/externalapi/blocklevelparents.go
+++ b/domain/consensus/model/externalapi/blocklevelparents.go
@@ -1,7 +1,7 @@
 package externalapi
 
 // BlockLevelParents represent the parents within a single super-block level
-// See https://github.com/c4exnet/research/issues/3 for further details
+// See https://github.com/c4ei/research/issues/3 for further details
 type BlockLevelParents []*DomainHash
 
 // Equal returns true if this BlockLevelParents is equal to `other`
diff --git a/domain/consensus/processes/blockvalidator/block_body_in_context.go b/domain/consensus/processes/blockvalidator/block_body_in_context.go
index 005925984..f69764390 100644
--- a/domain/consensus/processes/blockvalidator/block_body_in_context.go
+++ b/domain/consensus/processes/blockvalidator/block_body_in_context.go
@@ -168,7 +168,7 @@ func (v *blockValidator) checkCoinbaseSubsidy(
 			return err
 		}
 
-		// The pruning proof ( https://github.com/c4exnet/docs/blob/main/Reference/prunality/Prunality.pdf ) concludes
+		// The pruning proof ( https://github.com/c4ei/docs/blob/main/Reference/prunality/Prunality.pdf ) concludes
 		// that it's impossible for a block to be merged if it was created in the anticone of the pruning point that was
 		// present at the time of the block creation. So if such situation happens we can be sure that it happens during
 		// IBD and that this block has at least pruningDepth-finalityInterval confirmations.
diff --git a/domain/consensus/processes/transactionvalidator/transactionvalidator_test.go b/domain/consensus/processes/transactionvalidator/transactionvalidator_test.go
index f51230035..4c13d306c 100644
--- a/domain/consensus/processes/transactionvalidator/transactionvalidator_test.go
+++ b/domain/consensus/processes/transactionvalidator/transactionvalidator_test.go
@@ -1,6 +1,7 @@
 package transactionvalidator_test
 
 import (
+	"github.com/c4ei/go-secp256k1"
 	"github.com/c4ei/yunseokyeol/domain/consensus"
 	"github.com/c4ei/yunseokyeol/domain/consensus/ruleerrors"
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/consensushashing"
@@ -8,7 +9,6 @@ import (
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/txscript"
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/utxo"
 	"github.com/c4ei/yunseokyeol/util"
-	"github.com/c4exnet/go-secp256k1"
 
 	"testing"
 
diff --git a/domain/consensus/utils/consensushashing/calculate_signature_hash_test.go b/domain/consensus/utils/consensushashing/calculate_signature_hash_test.go
index 3dc3c6b47..c749f7f10 100644
--- a/domain/consensus/utils/consensushashing/calculate_signature_hash_test.go
+++ b/domain/consensus/utils/consensushashing/calculate_signature_hash_test.go
@@ -7,7 +7,7 @@ import (
 
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/subnetworks"
 
-	"github.com/c4exnet/go-secp256k1"
+	"github.com/c4ei/go-secp256k1"
 
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/consensushashing"
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/txscript"
diff --git a/domain/consensus/utils/multiset/multiset.go b/domain/consensus/utils/multiset/multiset.go
index f50d02780..2d6e5e1e1 100644
--- a/domain/consensus/utils/multiset/multiset.go
+++ b/domain/consensus/utils/multiset/multiset.go
@@ -1,9 +1,9 @@
 package multiset
 
 import (
+	"github.com/c4ei/go-muhash"
 	"github.com/c4ei/yunseokyeol/domain/consensus/model"
 	"github.com/c4ei/yunseokyeol/domain/consensus/model/externalapi"
-	"github.com/c4exnet/go-muhash"
 	"github.com/pkg/errors"
 )
 
diff --git a/domain/consensus/utils/txscript/opcode.go b/domain/consensus/utils/txscript/opcode.go
index ec00d8455..e118bc795 100644
--- a/domain/consensus/utils/txscript/opcode.go
+++ b/domain/consensus/utils/txscript/opcode.go
@@ -17,7 +17,7 @@ import (
 
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/constants"
 
-	"github.com/c4exnet/go-secp256k1"
+	"github.com/c4ei/go-secp256k1"
 )
 
 // An opcode defines the information related to a txscript opcode. opfunc, if
diff --git a/domain/consensus/utils/txscript/sigcache.go b/domain/consensus/utils/txscript/sigcache.go
index 42d3f8ec2..ab0e55676 100644
--- a/domain/consensus/utils/txscript/sigcache.go
+++ b/domain/consensus/utils/txscript/sigcache.go
@@ -5,7 +5,7 @@
 package txscript
 
 import (
-	"github.com/c4exnet/go-secp256k1"
+	"github.com/c4ei/go-secp256k1"
 )
 
 // sigCacheEntry represents an entry in the SigCache. Entries within the
diff --git a/domain/consensus/utils/txscript/sigcache_ecdsa.go b/domain/consensus/utils/txscript/sigcache_ecdsa.go
index 604b5e286..066810355 100644
--- a/domain/consensus/utils/txscript/sigcache_ecdsa.go
+++ b/domain/consensus/utils/txscript/sigcache_ecdsa.go
@@ -5,7 +5,7 @@
 package txscript
 
 import (
-	"github.com/c4exnet/go-secp256k1"
+	"github.com/c4ei/go-secp256k1"
 )
 
 // sigCacheEntryECDSA represents an entry in the SigCache. Entries within the
diff --git a/domain/consensus/utils/txscript/sigcache_test.go b/domain/consensus/utils/txscript/sigcache_test.go
index 1ee60035e..52f614a2c 100644
--- a/domain/consensus/utils/txscript/sigcache_test.go
+++ b/domain/consensus/utils/txscript/sigcache_test.go
@@ -8,7 +8,7 @@ import (
 	"crypto/rand"
 	"testing"
 
-	"github.com/c4exnet/go-secp256k1"
+	"github.com/c4ei/go-secp256k1"
 )
 
 // genRandomSig returns a random message, a signature of the message under the
diff --git a/domain/consensus/utils/txscript/sign.go b/domain/consensus/utils/txscript/sign.go
index ae7bfbf6a..4a66581e3 100644
--- a/domain/consensus/utils/txscript/sign.go
+++ b/domain/consensus/utils/txscript/sign.go
@@ -5,9 +5,9 @@
 package txscript
 
 import (
+	"github.com/c4ei/go-secp256k1"
 	"github.com/c4ei/yunseokyeol/domain/consensus/model/externalapi"
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/consensushashing"
-	"github.com/c4exnet/go-secp256k1"
 	"github.com/pkg/errors"
 
 	"github.com/c4ei/yunseokyeol/domain/dagconfig"
diff --git a/domain/consensus/utils/txscript/sign_test.go b/domain/consensus/utils/txscript/sign_test.go
index a0bcfdf04..069a68584 100644
--- a/domain/consensus/utils/txscript/sign_test.go
+++ b/domain/consensus/utils/txscript/sign_test.go
@@ -12,8 +12,8 @@ import (
 
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/consensushashing"
 
+	"github.com/c4ei/go-secp256k1"
 	"github.com/c4ei/yunseokyeol/domain/consensus/model/externalapi"
-	"github.com/c4exnet/go-secp256k1"
 	"github.com/pkg/errors"
 
 	"github.com/c4ei/yunseokyeol/domain/dagconfig"
diff --git a/domain/dagconfig/genesis.go b/domain/dagconfig/genesis.go
index f5b618dc3..412cacc49 100644
--- a/domain/dagconfig/genesis.go
+++ b/domain/dagconfig/genesis.go
@@ -7,11 +7,11 @@ package dagconfig
 import (
 	"math/big"
 
+	"github.com/c4ei/go-muhash"
 	"github.com/c4ei/yunseokyeol/domain/consensus/model/externalapi"
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/blockheader"
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/subnetworks"
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/transactionhelper"
-	"github.com/c4exnet/go-muhash"
 )
 
 var genesisTxOuts = []*externalapi.DomainTransactionOutput{}
diff --git a/domain/dagconfig/params.go b/domain/dagconfig/params.go
index 5ffde084d..634d5067b 100644
--- a/domain/dagconfig/params.go
+++ b/domain/dagconfig/params.go
@@ -214,8 +214,8 @@ type Params struct {
 	// CoinbasePayloadScriptPublicKeyMaxLength는 코인베이스 페이로드에서 허용되는 최대 스크립트 공개 키입니다.
 	CoinbasePayloadScriptPublicKeyMaxLength uint8
 
-	// PruningProofM is the 'm' constant in the pruning proof. For more details see: https://github.com/c4exnet/research/issues/3
-	// PruningProofM은 가지치기 증명의 'm' 상수입니다. 자세한 내용은 https://github.com/c4exnet/research/issues/3을 참조하세요.
+	// PruningProofM is the 'm' constant in the pruning proof. For more details see: https://github.com/c4ei/research/issues/3
+	// PruningProofM은 가지치기 증명의 'm' 상수입니다. 자세한 내용은 https://github.com/c4ei/research/issues/3을 참조하세요.
 	PruningProofM uint64
 
 	// DeflationaryPhaseDaaScore is the DAA score after which the monetary policy switches
diff --git a/go.mod b/go.mod
index adc7ba8c4..d6a2cfb90 100644
--- a/go.mod
+++ b/go.mod
@@ -11,8 +11,8 @@ require (
 	github.com/golang/protobuf v1.5.2
 	github.com/jessevdk/go-flags v1.4.0
 	github.com/jrick/logrotate v1.0.0
-	github.com/c4exnet/go-muhash v0.0.4
-	github.com/c4exnet/go-secp256k1 v0.0.7
+	github.com/c4ei/go-muhash v0.0.4
+	github.com/c4ei/go-secp256k1 v0.0.7
 	github.com/pkg/errors v0.9.1
 	github.com/syndtr/goleveldb v1.0.1-0.20190923125748-758128399b1d
 	github.com/tyler-smith/go-bip39 v1.1.0
diff --git a/go.sum b/go.sum
index 597007bb8..b70bffbac 100644
--- a/go.sum
+++ b/go.sum
@@ -59,10 +59,10 @@ github.com/jessevdk/go-flags v1.4.0 h1:4IU2WS7AumrZ/40jfhf4QVDMsQwqA7VEHozFRrGAR
 github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
 github.com/jrick/logrotate v1.0.0 h1:lQ1bL/n9mBNeIXoTUoYRlK4dHuNJVofX9oWqBtPnSzI=
 github.com/jrick/logrotate v1.0.0/go.mod h1:LNinyqDIJnpAur+b8yyulnQw/wDuN1+BYKlTRt3OuAQ=
-github.com/c4exnet/go-muhash v0.0.4 h1:CQrm1RTJpQy+h4ZFjj9qq42K5fmA5QTGifzb47p4qWk=
-github.com/c4exnet/go-muhash v0.0.4/go.mod h1:10bPW5mO1vNHPSejaAh9ZTtLZE16jzEvgaP7f3Q5s/8=
-github.com/c4exnet/go-secp256k1 v0.0.7 h1:WHnrwopKB6ZeHSbdAwwxNhTqflm56XT1mM6LF4/OvOs=
-github.com/c4exnet/go-secp256k1 v0.0.7/go.mod h1:cFbxhxKkxqHX5eIwUGKARkph19PehipDPJejWB+H0jM=
+github.com/c4ei/go-muhash v0.0.4 h1:CQrm1RTJpQy+h4ZFjj9qq42K5fmA5QTGifzb47p4qWk=
+github.com/c4ei/go-muhash v0.0.4/go.mod h1:10bPW5mO1vNHPSejaAh9ZTtLZE16jzEvgaP7f3Q5s/8=
+github.com/c4ei/go-secp256k1 v0.0.7 h1:WHnrwopKB6ZeHSbdAwwxNhTqflm56XT1mM6LF4/OvOs=
+github.com/c4ei/go-secp256k1 v0.0.7/go.mod h1:cFbxhxKkxqHX5eIwUGKARkph19PehipDPJejWB+H0jM=
 github.com/kkdai/bstream v0.0.0-20161212061736-f391b8402d23/go.mod h1:J+Gs4SYgM6CZQHDETBtE9HaSEkGmuNXF86RwHhHUvq4=
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/ginkgo v1.7.0 h1:WSHQ+IS43OoUrWtD1/bbclrwK8TTH5hzp+umCiuxHgs=
diff --git a/infrastructure/network/netadapter/server/grpcserver/protowire/README.md b/infrastructure/network/netadapter/server/grpcserver/protowire/README.md
index 4660b6ec7..502552393 100644
--- a/infrastructure/network/netadapter/server/grpcserver/protowire/README.md
+++ b/infrastructure/network/netadapter/server/grpcserver/protowire/README.md
@@ -11,5 +11,5 @@ Documentation
 -------------
 
 To generate `rpc.md`:
-1. `go install -u github.com/c4exnet/protoc-gen-doc/cmd/protoc-gen-doc`
+1. `go install -u github.com/c4ei/protoc-gen-doc/cmd/protoc-gen-doc`
 2. In the protowire directory: `protoc --doc_out=. --doc_opt=markdown,rpc.md rpc.proto`
diff --git a/stability-tests/many-tips/main.go b/stability-tests/many-tips/main.go
index 1f9cb7fb2..14074660a 100644
--- a/stability-tests/many-tips/main.go
+++ b/stability-tests/many-tips/main.go
@@ -11,10 +11,10 @@ import (
 	"syscall"
 	"time"
 
+	"github.com/c4ei/go-secp256k1"
 	"github.com/c4ei/yunseokyeol/app/appmessage"
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/mining"
 	"github.com/c4ei/yunseokyeol/util"
-	"github.com/c4exnet/go-secp256k1"
 
 	"github.com/c4ei/yunseokyeol/stability-tests/common"
 	"github.com/c4ei/yunseokyeol/stability-tests/common/rpc"
diff --git a/stability-tests/mempool-limits/transactions.go b/stability-tests/mempool-limits/transactions.go
index 4a0964cea..a0c98a4dd 100644
--- a/stability-tests/mempool-limits/transactions.go
+++ b/stability-tests/mempool-limits/transactions.go
@@ -5,6 +5,7 @@ import (
 	"strings"
 	"testing"
 
+	"github.com/c4ei/go-secp256k1"
 	"github.com/c4ei/yunseokyeol/app/appmessage"
 	"github.com/c4ei/yunseokyeol/domain/consensus/model/externalapi"
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/consensushashing"
@@ -17,7 +18,6 @@ import (
 	"github.com/c4ei/yunseokyeol/infrastructure/network/rpcclient"
 	"github.com/c4ei/yunseokyeol/stability-tests/common/mine"
 	"github.com/c4ei/yunseokyeol/util"
-	"github.com/c4exnet/go-secp256k1"
 )
 
 const (
diff --git a/stability-tests/simple-sync/mineloop.go b/stability-tests/simple-sync/mineloop.go
index e06cddf1a..466df6d5e 100644
--- a/stability-tests/simple-sync/mineloop.go
+++ b/stability-tests/simple-sync/mineloop.go
@@ -3,11 +3,11 @@ package main
 import (
 	"time"
 
+	"github.com/c4ei/go-secp256k1"
 	"github.com/c4ei/yunseokyeol/app/appmessage"
 	"github.com/c4ei/yunseokyeol/stability-tests/common"
 	"github.com/c4ei/yunseokyeol/stability-tests/common/rpc"
 	"github.com/c4ei/yunseokyeol/util"
-	"github.com/c4exnet/go-secp256k1"
 	"github.com/pkg/errors"
 )
 
diff --git a/testing/integration/tx_relay_test.go b/testing/integration/tx_relay_test.go
index 766781ae5..ec9a18d55 100644
--- a/testing/integration/tx_relay_test.go
+++ b/testing/integration/tx_relay_test.go
@@ -10,6 +10,7 @@ import (
 
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/utxo"
 
+	"github.com/c4ei/go-secp256k1"
 	"github.com/c4ei/yunseokyeol/app/appmessage"
 	"github.com/c4ei/yunseokyeol/domain/consensus/model/externalapi"
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/consensushashing"
@@ -17,7 +18,6 @@ import (
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/transactionhelper"
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/txscript"
 	"github.com/c4ei/yunseokyeol/util"
-	"github.com/c4exnet/go-secp256k1"
 )
 
 func TestTxRelay(t *testing.T) {
diff --git a/testing/integration/utxo_index_test.go b/testing/integration/utxo_index_test.go
index 70079f54a..bb5ec6f27 100644
--- a/testing/integration/utxo_index_test.go
+++ b/testing/integration/utxo_index_test.go
@@ -6,6 +6,7 @@ import (
 
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/utxo"
 
+	"github.com/c4ei/go-secp256k1"
 	"github.com/c4ei/yunseokyeol/app/appmessage"
 	"github.com/c4ei/yunseokyeol/domain/consensus/model/externalapi"
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/consensushashing"
@@ -13,7 +14,6 @@ import (
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/transactionid"
 	"github.com/c4ei/yunseokyeol/domain/consensus/utils/txscript"
 	"github.com/c4ei/yunseokyeol/util"
-	"github.com/c4exnet/go-secp256k1"
 )
 
 func TestUTXOIndex(t *testing.T) {
diff --git a/util/README.md b/util/README.md
index b1d38d65c..578ad5e87 100644
--- a/util/README.md
+++ b/util/README.md
@@ -2,6 +2,6 @@ util
 =======
 
 [![ISC License](http://img.shields.io/badge/license-ISC-blue.svg)](https://choosealicense.com/licenses/isc/)
-[![GoDoc](http://img.shields.io/badge/godoc-reference-blue.svg)](http://godoc.org/github.com/c4exnet/util)
+[![GoDoc](http://img.shields.io/badge/godoc-reference-blue.svg)](http://godoc.org/github.com/c4ei/util)
 
 Package util provides c4ex-specific convenience functions and types.