diff --git a/cp/resources/views/admin/contacts/createContact.twig b/cp/resources/views/admin/contacts/createContact.twig
index 2307df3..41ea908 100644
--- a/cp/resources/views/admin/contacts/createContact.twig
+++ b/cp/resources/views/admin/contacts/createContact.twig
@@ -47,7 +47,7 @@
                                     {% if registrars and not registrar %}
                                         <div class="form-group mb-3">
                                             <label for="registrarDropdown" class="form-label required">{{ __('Select Registrar') }}</label>
-                                            <select id="registrarDropdown" name="registrar" class="form-control" required="required">
+                                            <select id="registrarDropdown" name="registrar" class="form-select" required="required">
                                                 {% for registrar in registrars %}
                                                     <option value="{{ registrar.id }}">{{ registrar.name }}</option>
                                                 {% endfor %}
diff --git a/cp/resources/views/admin/domains/createApplication.twig b/cp/resources/views/admin/domains/createApplication.twig
index c3ef913..0988ca8 100644
--- a/cp/resources/views/admin/domains/createApplication.twig
+++ b/cp/resources/views/admin/domains/createApplication.twig
@@ -40,7 +40,7 @@
                             {% if registrars and not registrar %}
                                 <div class="mb-3">
                                     <label for="registrarDropdown" class="form-label required">{{ __('Select Registrar') }}</label>
-                                    <select id="registrarDropdown" name="registrar" class="form-control">
+                                    <select id="registrarDropdown" name="registrar" class="form-select">
                                         {% for registrar in registrars %}
                                             <option value="{{ registrar.id }}">{{ registrar.name }}</option>
                                         {% endfor %}
diff --git a/cp/resources/views/admin/domains/createDomain.twig b/cp/resources/views/admin/domains/createDomain.twig
index 0d82282..3586257 100644
--- a/cp/resources/views/admin/domains/createDomain.twig
+++ b/cp/resources/views/admin/domains/createDomain.twig
@@ -40,7 +40,7 @@
                             {% if registrars and not registrar %}
                                 <div class="mb-3">
                                     <label for="registrarDropdown" class="form-label required">{{ __('Select Registrar') }}</label>
-                                    <select id="registrarDropdown" name="registrar" class="form-control">
+                                    <select id="registrarDropdown" name="registrar" class="form-select">
                                         {% for registrar in registrars %}
                                             <option value="{{ registrar.id }}">{{ registrar.name }}</option>
                                         {% endfor %}
@@ -249,7 +249,7 @@
 									<div class="mb-3">
 										<label for="dsKeyTag" class="form-label">{{ __('DS Record') }}</label>
 										<input type="text" class="form-control mb-2" placeholder="{{ __('Key Tag') }}" name="dsKeyTag" id="dsKeyTag">
-										<select class="form-control mb-2" name="dsAlg">
+										<select class="form-select mb-2" name="dsAlg">
 											<option value="" disabled selected>{{ __('Select Algorithm') }}</option>
 											<option value="8">RSA/SHA-256</option>
 											<option value="13">ECDSA Curve P-256 with SHA-256</option>
@@ -257,7 +257,7 @@
 											<option value="15">Ed25519</option>
 											<option value="16">Ed448</option>
 										</select>
-										<select class="form-control mb-2" name="dsDigestType">
+										<select class="form-select mb-2" name="dsDigestType">
 											<option value="" disabled selected>{{ __('Select Digest Type') }}</option>
 											<option value="2">SHA-256</option>
 											<option value="4">SHA-384</option>
@@ -270,7 +270,7 @@
 										<label for="dnskeyFlags" class="form-label">{{ __('DNSKEY Record') }}</label>
 										<input type="number" class="form-control mb-2" placeholder="{{ __('Flags') }}" name="dnskeyFlags" id="dnskeyFlags">
 										<input type="number" class="form-control mb-2" placeholder="{{ __('Protocol') }}" name="dnskeyProtocol" value="3" readonly> <!-- Protocol is typically set to 3 -->
-										<select class="form-control mb-2" name="dnskeyAlg">
+										<select class="form-select mb-2" name="dnskeyAlg">
 											<option value="" disabled selected>{{ __('Select Algorithm') }}</option>
 											<option value="8">RSA/SHA-256</option>
 											<option value="13">ECDSA Curve P-256 with SHA-256</option>
diff --git a/cp/resources/views/admin/domains/requestTransfer.twig b/cp/resources/views/admin/domains/requestTransfer.twig
index 454d84e..c97587a 100644
--- a/cp/resources/views/admin/domains/requestTransfer.twig
+++ b/cp/resources/views/admin/domains/requestTransfer.twig
@@ -37,7 +37,7 @@
                             {% if registrars and not registrar %}
                                 <div class="form-group mb-3">
                                     <label for="registrarDropdown" class="form-label required">{{ __('Gaining Registrar') }}</label>
-                                    <select id="registrarDropdown" name="registrar" class="form-control">
+                                    <select id="registrarDropdown" name="registrar" class="form-select">
                                         {% for registrar in registrars %}
                                             <option value="{{ registrar.id }}">{{ registrar.name }}</option>
                                         {% endfor %}
diff --git a/cp/resources/views/admin/domains/updateDomain.twig b/cp/resources/views/admin/domains/updateDomain.twig
index a0fb2db..1b676d0 100644
--- a/cp/resources/views/admin/domains/updateDomain.twig
+++ b/cp/resources/views/admin/domains/updateDomain.twig
@@ -324,7 +324,7 @@
                                 <div class="mb-3">
                                     <label for="dsKeyTag" class="form-label">{{ __('DS Record') }}</label>
                                     <input type="text" class="form-control mb-2" placeholder="{{ __('Key Tag') }}" name="dsKeyTag" id="dsKeyTag">
-                                    <select class="form-control mb-2" name="dsAlg">
+                                    <select class="form-select mb-2" name="dsAlg">
                                         <option value="" disabled selected>{{ __('Select Algorithm') }}</option>
                                         <option value="8">RSA/SHA-256</option>
                                         <option value="13">ECDSA Curve P-256 with SHA-256</option>
@@ -332,7 +332,7 @@
                                         <option value="15">Ed25519</option>
                                         <option value="16">Ed448</option>
                                     </select>
-                                    <select class="form-control mb-2" name="dsDigestType">
+                                    <select class="form-select mb-2" name="dsDigestType">
                                         <option value="" disabled selected>{{ __('Select Digest Type') }}</option>
                                         <option value="2">SHA-256</option>
                                         <option value="4">SHA-384</option>
@@ -345,7 +345,7 @@
                                     <label for="dnskeyFlags" class="form-label">{{ __('DNSKEY Record') }}</label>
                                     <input type="number" class="form-control mb-2" placeholder="{{ __('Flags') }}" name="dnskeyFlags" id="dnskeyFlags">
                                     <input type="number" class="form-control mb-2" placeholder="{{ __('Protocol') }}" name="dnskeyProtocol" value="3" readonly> <!-- Protocol is typically set to 3 -->
-                                    <select class="form-control mb-2" name="dnskeyAlg">
+                                    <select class="form-select mb-2" name="dnskeyAlg">
                                         <option value="" disabled selected>{{ __('Select Algorithm') }}</option>
                                         <option value="8">RSA/SHA-256</option>
                                         <option value="13">ECDSA Curve P-256 with SHA-256</option>
diff --git a/cp/resources/views/admin/hosts/createHost.twig b/cp/resources/views/admin/hosts/createHost.twig
index cb0139b..fcb1c44 100644
--- a/cp/resources/views/admin/hosts/createHost.twig
+++ b/cp/resources/views/admin/hosts/createHost.twig
@@ -37,7 +37,7 @@
                     {% if registrars and not registrar %}
                         <div class="form-group mt-3">
                             <label for="registrarDropdown" class="form-label required">{{ __('Select Registrar') }}:</label>
-                            <select id="registrarDropdown" name="registrar" class="form-control">
+                            <select id="registrarDropdown" name="registrar" class="form-select">
                                 {% for registrar in registrars %}
                                     <option value="{{ registrar.id }}">{{ registrar.name }}</option>
                                 {% endfor %}