diff --git a/composer.json b/composer.json
index 3809941..04a4fc8 100644
--- a/composer.json
+++ b/composer.json
@@ -6,8 +6,8 @@
         "ext-posix": "*",
         "ext-openssl": "*",
         "bramus/monolog-colored-line-formatter": "^2",
-        "kelunik/acme": "dev-master",
-        "kelunik/certificate": "dev-master",
+        "kelunik/acme": "^0.3",
+        "kelunik/certificate": "^1",
         "league/climate": "^3",
         "monolog/monolog": "^1.17",
         "psr/log": "^1",
diff --git a/src/Commands/Issue.php b/src/Commands/Issue.php
index c9301cc..7337498 100644
--- a/src/Commands/Issue.php
+++ b/src/Commands/Issue.php
@@ -57,7 +57,7 @@ class Issue implements Command {
 
         $keyPair = $this->checkRegistration($args);
 
-        $acme = new AcmeService(new AcmeClient($server, $keyPair), $keyPair);
+        $acme = new AcmeService(new AcmeClient($server, $keyPair));
 
         foreach ($domains as $domain) {
             list($location, $challenges) = yield $acme->requestChallenges($domain);
@@ -75,7 +75,7 @@ class Issue implements Command {
             }
 
             $this->logger->debug("Generating payload...");
-            $payload = $acme->generateHttp01Payload($token);
+            $payload = $acme->generateHttp01Payload($keyPair, $token);
 
             $docRoot = rtrim($args->get("path") ?? __DIR__ . "/../../data/public", "/\\");
             $path = $docRoot . "/.well-known/acme-challenge";
@@ -102,7 +102,7 @@ class Issue implements Command {
                 chown("{$path}/{$token}", $userInfo["uid"]);
                 chmod("{$path}/{$token}", 0664);
 
-                yield $acme->selfVerify($domain, $token, $payload);
+                yield $acme->verifyHttp01Challenge($domain, $token, $payload);
                 $this->logger->info("Successfully self-verified challenge.");
 
                 yield $acme->answerChallenge($challenge->uri, $payload);
diff --git a/src/Commands/Register.php b/src/Commands/Register.php
index cf1de23..68902e6 100644
--- a/src/Commands/Register.php
+++ b/src/Commands/Register.php
@@ -69,7 +69,7 @@ class Register implements Command {
             chmod($pathPrivate, 0600);
         }
 
-        $acme = new AcmeService(new AcmeClient($server, $keyPair), $keyPair);
+        $acme = new AcmeService(new AcmeClient($server, $keyPair));
 
         $this->logger->info("Registering with ACME server " . substr($server, 8) . " ...");
 
diff --git a/src/Commands/Revoke.php b/src/Commands/Revoke.php
index 7b2f801..4fe1253 100644
--- a/src/Commands/Revoke.php
+++ b/src/Commands/Revoke.php
@@ -37,7 +37,7 @@ class Revoke implements Command {
         }
 
         $keyPair = $this->checkRegistration($args);
-        $acme = new AcmeService(new AcmeClient($server, $keyPair), $keyPair);
+        $acme = new AcmeService(new AcmeClient($server, $keyPair));
 
         $this->logger->info("Revoking certificate ...");