diff --git a/ecies_test.go b/ecies_test.go
index c0842b9..5e7d85a 100644
--- a/ecies_test.go
+++ b/ecies_test.go
@@ -18,7 +18,7 @@ const testingMessage = "helloworld"
 const testingJsonMessage = `{"code":0,"msg":"ok","data":{"pageNumber":1,"pageSize":10,"total":0,"list":[],"realTotal":0}}{"code":0,"msg":"ok","data":{"pageNumber":1,"pageSize":10,"total":0,"list":[],"realTotal":0}}{"code":0,"msg":"ok","data":{"pageNumber":1,"pageSize":10,"total":0,"list":[],"realTotal":0}}`
 const testingReceiverPubkeyHex = "0498afe4f150642cd05cc9d2fa36458ce0a58567daeaf5fde7333ba9b403011140a4e28911fcf83ab1f457a30b4959efc4b9306f514a4c3711a16a80e3b47eb58b"
 const testingReceiverPrivkeyHex = "95d3c5e483e9b1d4f5fc8e79b2deaf51362980de62dbb082a9a4257eef653d7d"
-const pythonBackend = "https://eciespydemo-1-d5397785.deta.app/"
+const pythonBackend = "https://demo.ecies.org/"
 
 var testingReceiverPrivkey = []byte{51, 37, 145, 156, 66, 168, 189, 189, 176, 19, 177, 30, 148, 104, 25, 140, 155, 42, 248, 190, 121, 110, 16, 174, 143, 148, 72, 129, 94, 113, 219, 58}
 
@@ -142,7 +142,7 @@ func TestDecryptAgainstPythonVersion(t *testing.T) {
 
 	defer resp.Body.Close()
 
-	if !assert.Equal(t, http.StatusOK, resp.StatusCode) {
+	if !assert.Equal(t, http.StatusCreated, resp.StatusCode) {
 		return
 	}
 
@@ -186,7 +186,7 @@ func TestEncryptAgainstPythonVersion(t *testing.T) {
 
 	defer resp.Body.Close()
 
-	if !assert.Equal(t, http.StatusOK, resp.StatusCode) {
+	if !assert.Equal(t, http.StatusCreated, resp.StatusCode) {
 		return
 	}
 
diff --git a/go.mod b/go.mod
index 783a10c..0030322 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/ecies/go/v2
 require (
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.3.0
 	github.com/ethereum/go-ethereum v1.13.15
-	github.com/stretchr/testify v1.8.4
+	github.com/stretchr/testify v1.10.0
 	golang.org/x/crypto v0.31.0
 )
 
diff --git a/go.sum b/go.sum
index 8cdc8be..00487ef 100644
--- a/go.sum
+++ b/go.sum
@@ -645,6 +645,7 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
+github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
 github.com/stretchr/testify v1.2.0/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
@@ -656,8 +657,9 @@ github.com/stretchr/testify v1.7.2/go.mod h1:R6va5+xMeoiuVRoj+gSkQ7d3FALtqAAGI1F
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
-github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
+github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/supranational/blst v0.3.8-0.20220526154634-513d2456b344/go.mod h1:jZJtfjgudtNl4en1tzwPIV3KjUnQUvG3/j+w+fVonLw=
 github.com/supranational/blst v0.3.11/go.mod h1:jZJtfjgudtNl4en1tzwPIV3KjUnQUvG3/j+w+fVonLw=
 github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7/go.mod h1:q4W45IWZaF22tdD+VEXcAWRA037jwmWEB5VWYORlTpc=