PROTOCOL         | 12 ++++++------
 cmd/init/main.go |  2 +-
 cmd/resp/main.go |  2 +-
 crypto.go        |  2 +-
 go.mod           |  2 +-

diff --git a/PROTOCOL b/PROTOCOL
index fe2574f031bcac3fc5b1312e0f5bcc40402fa407511de0f458995d49f5ead22d..45179a1d6b4161c270dd39eb87cf1da55b91c5960ec4cb694f18103b88144fa5 100644
--- a/PROTOCOL
+++ b/PROTOCOL
@@ -1,12 +1,12 @@
 After TLS 1.3 handshake is finished, 512-bit keying material is
 exported. Various 256-bit keys are derived from it:
 
-    InitEncKey  = BLAKE3-DeriveKey(seed, "go.cypherpunks.ru/udpobfs/v2 init enc")
-    InitMACKey  = BLAKE3-DeriveKey(seed, "go.cypherpunks.ru/udpobfs/v2 init mac")
-    InitObfsKey = BLAKE3-DeriveKey(seed, "go.cypherpunks.ru/udpobfs/v2 init obfs")
-    RespEncKey  = BLAKE3-DeriveKey(seed, "go.cypherpunks.ru/udpobfs/v2 resp enc")
-    RespMACKey  = BLAKE3-DeriveKey(seed, "go.cypherpunks.ru/udpobfs/v2 resp mac")
-    RespObfsKey = BLAKE3-DeriveKey(seed, "go.cypherpunks.ru/udpobfs/v2 resp obfs")
+    InitEncKey  = BLAKE3-DeriveKey(seed, "go.cypherpunks.su/udpobfs/v2 init enc")
+    InitMACKey  = BLAKE3-DeriveKey(seed, "go.cypherpunks.su/udpobfs/v2 init mac")
+    InitObfsKey = BLAKE3-DeriveKey(seed, "go.cypherpunks.su/udpobfs/v2 init obfs")
+    RespEncKey  = BLAKE3-DeriveKey(seed, "go.cypherpunks.su/udpobfs/v2 resp enc")
+    RespMACKey  = BLAKE3-DeriveKey(seed, "go.cypherpunks.su/udpobfs/v2 resp mac")
+    RespObfsKey = BLAKE3-DeriveKey(seed, "go.cypherpunks.su/udpobfs/v2 resp obfs")
 
 Each peer has 64-bit packet sequence counter. It is fed to
 BLAKE3(len=256, key=*EncKey) and then its XOF output is XORed with
diff --git a/cmd/init/main.go b/cmd/init/main.go
index e72599326aae61592a668ecd6136621fc38d30f3a9d5eba75f0484e0366151fc..d18a311212cfb4c674a63eeeabf0f149141b35e7e1dbf04aec2fe7336283c3ce 100644
--- a/cmd/init/main.go
+++ b/cmd/init/main.go
@@ -32,7 +32,7 @@ 	"os"
 	"sync"
 	"time"
 
-	"go.cypherpunks.ru/udpobfs/v2"
+	"go.cypherpunks.su/udpobfs/v2"
 	"lukechampine.com/blake3"
 )
 
diff --git a/cmd/resp/main.go b/cmd/resp/main.go
index 7e4556ddd696bb82512beae47fe6b8e781efb88f0eac5a2dd6880ea23443961b..9a6af9687e0252a3ec48b7339cb13abbebdadcf2cd478b153f1afcdaedfc4289 100644
--- a/cmd/resp/main.go
+++ b/cmd/resp/main.go
@@ -26,7 +26,7 @@ 	"os"
 	"sync"
 	"time"
 
-	"go.cypherpunks.ru/udpobfs/v2"
+	"go.cypherpunks.su/udpobfs/v2"
 )
 
 var (
diff --git a/crypto.go b/crypto.go
index 54d369c4e80876cda70f6d5c056105ed8a57db7db6bd9fa2499035c4f6296794..d440bb54aea9e25684c1fdfb5d154bbd203ac533882e3935ca5454930f55c6f1 100644
--- a/crypto.go
+++ b/crypto.go
@@ -25,7 +25,7 @@ 	"lukechampine.com/blake3"
 )
 
 const (
-	App     = "go.cypherpunks.ru/udpobfs/v2"
+	App     = "go.cypherpunks.su/udpobfs/v2"
 	MACLen  = 6
 	SeqLen  = 8
 	SeedLen = 64
diff --git a/go.mod b/go.mod
index 65fd70d2c3a1a12ac028b62ce2645cd1ffb8953a004eaf48b7a3ca257184012b..2723fbc85f8ad29b12166208e660f5eb3b7e5234e3899f48f3cf93bd0b19eeec 100644
--- a/go.mod
+++ b/go.mod
@@ -1,4 +1,4 @@
-module go.cypherpunks.ru/udpobfs/v2
+module go.cypherpunks.su/udpobfs/v2
 
 go 1.21