diff --git a/backend/templates/songs/index.html b/backend/templates/songs/index.html
index 8a3fcd8..75be260 100644
--- a/backend/templates/songs/index.html
+++ b/backend/templates/songs/index.html
@@ -5,10 +5,10 @@
 
 {% block extra_head %}
     <script async src="{% static 'js/chords.js' %}"></script>
-    <script defer type="text/javascript" src="https://cdn.datatables.net/v/bs4/dt-1.12.1/datatables.min.js"></script>
-    <script defer src="//cdn.jsdelivr.net/npm/bootstrap-input-spinner@1.16.5/src/bootstrap-input-spinner.js"></script>
-    <script defer type="text/javascript" src="//cdn.datatables.net/plug-ins/1.12.1/filtering/type-based/accent-neutralise.js"></script>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/jsrender/1.0.11/jsrender.min.js" integrity="sha512-bKlNlbTH3duwZ28zoqEhXui/yuaPuQVci6OAVu0zh2WfYbEKD39HszVR8byP4/L4YyBo3b5CGIY+4ldVN93uCg=="
+    <script defer type="text/javascript" src="https://cdn.datatables.net/v/bs4/dt-1.13.6/datatables.min.js"></script>
+    <script defer src="https://cdn.jsdelivr.net/npm/bootstrap-input-spinner@2.2.0/src/bootstrap-input-spinner.js"></script>
+    <script defer type="text/javascript" src="https://cdn.datatables.net/plug-ins/1.13.6/filtering/type-based/accent-neutralise.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/jsrender/1.0.13/jsrender.min.js" integrity="sha512-T93uOawQ+FrEdyCPaWrQtppurbLm8SISu2QnHyddM0fGXKX9Amyirwibe1wGYbsW2F8lLzhOM/2+d3Zo94ljRQ=="
             crossorigin="anonymous"
             referrerpolicy="no-referrer"
             defer>
@@ -53,7 +53,7 @@ <h6 class="d-inline" ><%:author%></h6>
                 <div class="input-group-prepend">
                   <span class="input-group-text">{% trans "Transpose" %}</span>
                 </div>
-                <input class="form-control-sm raw" type="number" value="0" min="-11" max="11" step="1" previous_value=0 onchange="transpose(event, this, <%:number%> )"/>
+                <input class="form-control raw" type="number" value="0" min="-11" max="11" step="1" previous_value=0 onchange="transpose(event, this, <%:number%> )"/>
             </div>
             <%if capo > 0%><h5>Capo <%:capo%> </h5> <%/if%>
             <div class="text-wrap song-text">
@@ -91,6 +91,8 @@ <h6 class="d-inline" ><%:author%></h6>
         drawCallback: function () {
             const selector = $(".raw[type='number']")
             selector.inputSpinner({
+                {#decrementButton: "<strong>&minus;</strong>", // button text#}
+                {#incrementButton: "<strong>&plus;</strong>",#}
                 decrementButton: "<i class=\"icon-minus\"></i>", // button text
                 incrementButton: "<i class=\"icon-plus\"></i>",
                 groupClass: "transposer",
@@ -126,7 +128,7 @@ <h6 class="d-inline" ><%:author%></h6>
         pageLength: 50,
         {% if request.LANGUAGE_CODE == "cs"  %}
             language: {
-                url: "//cdn.datatables.net/plug-ins/1.10.21/i18n/Czech.json"
+                url: "//cdn.datatables.net/plug-ins/1.13.6/i18n/cs.json"
             },
         {% endif %}
     });
diff --git a/frontend/templates/base/index.html b/frontend/templates/base/index.html
index b8bf14f..8d6365d 100644
--- a/frontend/templates/base/index.html
+++ b/frontend/templates/base/index.html
@@ -20,8 +20,7 @@
           href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.1/dist/css/bootstrap.min.css"
           integrity="sha384-zCbKRCUGaJDkqS1kPbPd7TveP5iyJE0EjAuZQTgFLD2ylzuqKfdKlfG/eSrtxUkn"
           crossorigin="anonymous">
-    <script   src="https://code.jquery.com/jquery-3.5.1.min.js"
-			  integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0="
+    <script   src="https://code.jquery.com/jquery-3.7.1.min.js"
 			  crossorigin="anonymous"
               type="text/javascript"
               defer></script>
diff --git a/pdf/templates/pdf/requests/select.html b/pdf/templates/pdf/requests/select.html
index 2d1e8e1..81bc4be 100644
--- a/pdf/templates/pdf/requests/select.html
+++ b/pdf/templates/pdf/requests/select.html
@@ -6,9 +6,9 @@
 {% block title %} {% trans "PDF Requests" %} {% endblock %}
 {% block header %} {% trans "PDF Requests" %}  {% endblock %}
 {% block extra_head %}
-<script defer type="text/javascript" src="https://cdn.datatables.net/v/bs4/dt-1.12.1/b-2.2.3/sl-1.4.0/datatables.min.js"></script>
+<script defer type="text/javascript" src="https://cdn.datatables.net/v/bs4/dt-1.13.6/b-2.4.2/sl-1.7.0/datatables.min.js"></script>
 <link rel="stylesheet" type="text/css" href="{% sass_src 'datatables.sass' %}">
-<link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/v/bs4/dt-1.12.1/b-2.2.3/sl-1.4.0/datatables.min.css"/>
+<link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/v/bs4/dt-1.13.6/b-2.4.2/sl-1.7.0/datatables.min.css"/>
 {% endblock %}
 
 {% block framed_body %}
@@ -95,7 +95,7 @@
         ],
         {% if request.LANGUAGE_CODE == "cs"  %}
         language: {
-                url: "//cdn.datatables.net/plug-ins/1.10.25/i18n/Czech.json"
+                url: "//cdn.datatables.net/plug-ins/1.13.6/i18n/cs.json"
         },
         {% endif %}
     } );
diff --git a/pyproject.toml b/pyproject.toml
index 5570675..d11a9c5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ readme = "README.md"
 
 [tool.poetry.dependencies]
 python = "^3.9"
-django = "==4.1.10"
+django = "==4.2.5"
 django-bootstrap4 = "*"
 dj-datatables-view = "*"
 django-debug-toolbar = "*"
@@ -24,9 +24,9 @@ gevent = "*"
 markdown = "*"
 markdown3-newtab = "*"
 netifaces = "*"
-psycopg2-binary = "*"
 django-compressor = "*"
 libsass = "*"
+psycopg = {extras = ["binary", "pool"], version = "^3.1.10"}
 
 [tool.poetry.group.dev.dependencies]
 pylint = "*"