diff --git a/config/settings/base.py b/config/settings/base.py
index d9020e14eb2..89619fab25a 100644
--- a/config/settings/base.py
+++ b/config/settings/base.py
@@ -51,7 +51,6 @@
     "citext",
     "django_bootstrap5",
     "django_select2",
-    "easymde",
     "formtools",
     "huey.contrib.djhuey",
     "markdownify",
diff --git a/itou/templates/companies/create_siae.html b/itou/templates/companies/create_siae.html
index f3e77561efd..9fea7dfe762 100644
--- a/itou/templates/companies/create_siae.html
+++ b/itou/templates/companies/create_siae.html
@@ -4,8 +4,6 @@
 
 {% block title %}Créer une nouvelle structure {{ block.super }}{% endblock %}
 
-{% block extra_head %}{{ block.super }}{{ form.media.css }}{% endblock %}
-
 {% block title_content %}
     <h1>Créer/rejoindre une nouvelle structure</h1>
     <p>Vous souhaitez rejoindre une structure :</p>
@@ -66,8 +64,3 @@ <h1>Créer/rejoindre une nouvelle structure</h1>
         </div>
     </section>
 {% endblock %}
-
-{% block script %}
-    {{ block.super }}
-    {{ form.media.js }}
-{% endblock %}
diff --git a/itou/templates/companies/edit_job_description_details.html b/itou/templates/companies/edit_job_description_details.html
index 698a46b007f..e9482e45f9b 100644
--- a/itou/templates/companies/edit_job_description_details.html
+++ b/itou/templates/companies/edit_job_description_details.html
@@ -5,8 +5,6 @@
 
 {% block title %}Modifier les détails de la fiche de poste {{ block.super }}{% endblock %}
 
-{% block extra_head %}{{ block.super }}{{ form.media.css }}{% endblock %}
-
 {% block content %}
     <section class="s-section">
         <div class="s-section__container container">
@@ -92,8 +90,3 @@ <h1 class="text-center mb-5">
         </div>
     </section>
 {% endblock %}
-
-{% block script %}
-    {{ block.super }}
-    {{ form.media.js }}
-{% endblock %}
diff --git a/itou/templates/companies/edit_siae_description.html b/itou/templates/companies/edit_siae_description.html
index c5cb113422e..602de1e0a99 100644
--- a/itou/templates/companies/edit_siae_description.html
+++ b/itou/templates/companies/edit_siae_description.html
@@ -6,8 +6,6 @@
 
 {% block title %}Modifier les coordonnées de votre structure {{ block.super }}{% endblock %}
 
-{% block extra_head %}{{ block.super }}{{ form.media.css }}{% endblock %}
-
 {% block content %}
     <section class="s-section">
         <div class="s-section__container container">
@@ -78,8 +76,3 @@ <h1>
         </div>
     </section>
 {% endblock %}
-
-{% block script %}
-    {{ block.super }}
-    {{ form.media.js }}
-{% endblock %}
diff --git a/itou/templates/layout/base.html b/itou/templates/layout/base.html
index 1e0eddb7b40..c81bf42b14c 100644
--- a/itou/templates/layout/base.html
+++ b/itou/templates/layout/base.html
@@ -35,6 +35,7 @@
 
         <link rel="shortcut icon" href="{% static_theme_images "favicon.ico" %}" type="image/ico">
         <link rel="stylesheet" href="{% static "vendor/theme-inclusion/stylesheets/app.css" %}">
+        <link rel="stylesheet" href="{% static "vendor/easymde/easymde.min.css" %}">
         <link rel="stylesheet" href="{% static "css/itou.css" %}">
         {% block extra_head %}{% endblock %}
     </head>
@@ -105,6 +106,7 @@
         <script src="{% static "vendor/bootstrap/popper.min.js" %}"></script>
         <script src="{% static "vendor/bootstrap/bootstrap.min.js" %}"></script>
         <script src="{% static "vendor/duetds-date-picker/duet.js" %}"></script>
+        <script src="{% static "vendor/easymde/easymde.min.js" %}"></script>
         <script src="{% static "vendor/tarteaucitron/tarteaucitron.js" %}"></script>
         <script src="{% static "vendor/tiny-slider/min/tiny-slider.js" %}"></script>
         <script src="{% static "vendor/intro-js/intro.min.js" %}"></script>
@@ -114,6 +116,7 @@
             <script src="{% static "vendor/htmx/ext/debug.js" %}"></script>
             <script src="{% static "vendor/htmx/ext/event-header.js" %}"></script>
         {% endif %}
+        <script src="{% static "js/easymde_config.js" %}"></script>
         <script src="{% static "js/htmx_handlers.js" %}"></script>
         <script src="{% static "js/modal_control.js" %}"></script>
         <script src="{% static "js/prevent_multiple_submit.js" %}"></script>
diff --git a/itou/templates/prescribers/edit_organization.html b/itou/templates/prescribers/edit_organization.html
index 9d75c12fe3e..8a897db6e9d 100644
--- a/itou/templates/prescribers/edit_organization.html
+++ b/itou/templates/prescribers/edit_organization.html
@@ -4,8 +4,6 @@
 
 {% block title %}Modifier cette organisation {{ block.super }}{% endblock %}
 
-{% block extra_head %}{{ block.super }}{{ form.media.css }}{% endblock %}
-
 {% block title_prevstep %}
     {% include "layout/previous_step.html" with back_url=back_url only %}
 {% endblock %}
@@ -46,8 +44,3 @@
         </div>
     </section>
 {% endblock %}
-
-{% block script %}
-    {{ block.super }}
-    {{ form.media.js }}
-{% endblock %}
diff --git a/itou/utils/staticfiles.py b/itou/utils/staticfiles.py
index a914251b22c..d8bd211c3b9 100644
--- a/itou/utils/staticfiles.py
+++ b/itou/utils/staticfiles.py
@@ -76,6 +76,21 @@
             ],
         },
     },
+    "easymde": {
+        "download": {
+            "url": "https://registry.npmjs.org/easymde/-/easymde-2.18.0.tgz",
+            "sha256": "8b2747047c8381f1eade4533bcb67ad70daf98b6bcf5ca5ac3514ecde0f6552d",
+        },
+        "extract": {
+            "origin": "package",
+            "destination": "vendor/easymde",
+            "files": [
+                "LICENSE",
+                ("dist/easymde.min.js", "easymde.min.js"),
+                ("dist/easymde.min.css", "easymde.min.css"),
+            ],
+        },
+    },
     "tiny-slider": {
         "download": {
             "url": "https://github.com/ganlanyuan/tiny-slider/archive/refs/tags/v2.9.4.zip",
diff --git a/itou/utils/widgets.py b/itou/utils/widgets.py
index a8a533ac435..e3f8830992b 100644
--- a/itou/utils/widgets.py
+++ b/itou/utils/widgets.py
@@ -11,7 +11,6 @@
 from django.db.models import Q
 from django.forms.models import ModelChoiceIterator
 from django_select2.forms import Select2Widget
-from easymde.widgets import EasyMDEEditor
 
 from itou.utils.validators import get_max_birthdate, get_min_birthdate
 
@@ -196,8 +195,16 @@ def create_option(self, name, value, *args, **kwargs):
         return option
 
 
-class EasyMDEEditorWithConfig(EasyMDEEditor):
-    class Media:
-        extend = False
-        js = ("easymde/easymde.min.js", "js/easymde_config.js")
-        css = {"all": ("easymde/easymde.min.css",)}
+class EasyMDEEditor(forms.Textarea):
+    def build_attrs(self, base_attrs, extra_attrs=None):
+        attrs = super().build_attrs(base_attrs, extra_attrs)
+        easymde_class = "easymde-box"
+        try:
+            classes = attrs["class"].split(" ")
+        except KeyError:
+            classes = [easymde_class]
+        else:
+            if easymde_class not in classes:
+                classes.append(easymde_class)
+        attrs["class"] = " ".join(classes)
+        return attrs
diff --git a/itou/www/companies_views/forms.py b/itou/www/companies_views/forms.py
index a77dd77959e..bfa111d212e 100644
--- a/itou/www/companies_views/forms.py
+++ b/itou/www/companies_views/forms.py
@@ -10,7 +10,7 @@
 from itou.companies.models import Company, CompanyMembership, JobDescription
 from itou.jobs.models import Appellation
 from itou.utils.urls import get_external_link_markup
-from itou.utils.widgets import EasyMDEEditorWithConfig, RemoteAutocompleteSelect2Widget
+from itou.utils.widgets import EasyMDEEditor, RemoteAutocompleteSelect2Widget
 
 
 class CreateCompanyForm(forms.ModelForm):
@@ -39,7 +39,7 @@ class Meta:
             "description": "Texte de présentation de votre structure.",
         }
         widgets = {
-            "description": EasyMDEEditorWithConfig,
+            "description": EasyMDEEditor,
         }
 
     def __init__(self, current_company, current_user, *args, **kwargs):
@@ -151,8 +151,8 @@ class Meta:
         }
 
         widgets = {
-            "description": EasyMDEEditorWithConfig,
-            "provided_support": EasyMDEEditorWithConfig,
+            "description": EasyMDEEditor,
+            "provided_support": EasyMDEEditor,
         }
 
     def __init__(self, *args, **kwargs):
@@ -353,8 +353,8 @@ class Meta:
             "bénéficier en priorité aux publics résidant en Quartier Prioritaire de la Ville.",
         }
         widgets = {
-            "description": EasyMDEEditorWithConfig,
-            "profile_description": EasyMDEEditorWithConfig,
+            "description": EasyMDEEditor,
+            "profile_description": EasyMDEEditor,
         }
 
     def __init__(self, current_company: Company, *args, **kwargs):
diff --git a/itou/www/prescribers_views/forms.py b/itou/www/prescribers_views/forms.py
index 42e5a26ee68..ab7a6a879c6 100644
--- a/itou/www/prescribers_views/forms.py
+++ b/itou/www/prescribers_views/forms.py
@@ -2,7 +2,7 @@
 
 from itou.prescribers.enums import PrescriberOrganizationKind
 from itou.prescribers.models import PrescriberOrganization
-from itou.utils.widgets import EasyMDEEditorWithConfig
+from itou.utils.widgets import EasyMDEEditor
 
 
 class EditPrescriberOrganizationForm(forms.ModelForm):
@@ -56,7 +56,7 @@ def __init__(self, *args, **kwargs):
             for field in self.fields.values():
                 field.disabled = True
         else:
-            self.fields["description"].widget = EasyMDEEditorWithConfig()
+            self.fields["description"].widget = EasyMDEEditor()
 
     def clean_siret(self):
         siret = self.cleaned_data["siret"]
diff --git a/requirements/base.in b/requirements/base.in
index de6ade37f0c..2c0414034d3 100644
--- a/requirements/base.in
+++ b/requirements/base.in
@@ -54,9 +54,6 @@ django-redis  # https://github.com/jazzband/django-redis
 # django-markdownify (to render only a set of HTML tags)
 django-markdownify  # https://github.com/erwinmatijsen/django-markdownify
 
-# Markdown editor
-django-easymde  # https://github.com/WPI-LNL/django-easymde
-
 # Pillow (image manipulation)
 pillow  # https://python-pillow.org/
 
diff --git a/requirements/base.txt b/requirements/base.txt
index 7e4bc260b46..71b33e07b8f 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -327,10 +327,6 @@ django-datadog-logger==0.7.3 \
     --hash=sha256:4361bb068a4b188fa14135398f9b747728464a291757e6adf8c95c9215dcd602 \
     --hash=sha256:87838cd868f407e050831c536413de6b2ece31433b28c952c0fd90be1d66486a
     # via -r requirements/base.in
-django-easymde==1.0.4 \
-    --hash=sha256:0690902bde591461138e174e47f58363f1f7b7fb637ebae7401e7a6449177e26 \
-    --hash=sha256:5b2fd94953b76cb69aebd5d6169056084188e079609bee1300174ad54cfa346a
-    # via -r requirements/base.in
 django-filter==24.3 \
     --hash=sha256:c4852822928ce17fb699bcfccd644b3574f1a2d80aeb2b4ff4f16b02dd49dc64 \
     --hash=sha256:d8ccaf6732afd21ca0542f6733b11591030fa98669f8d15599b358e24a2cd9c3
@@ -1187,10 +1183,6 @@ sentry-sdk==2.19.0 \
     --hash=sha256:7b0b3b709dee051337244a09a30dbf6e95afe0d34a1f8b430d45e0982a7c125b \
     --hash=sha256:ee4a4d2ae8bfe3cac012dcf3e4607975904c137e1738116549fc3dbbb6ff0e36
     # via -r requirements/base.in
-setuptools==75.6.0 \
-    --hash=sha256:8199222558df7c86216af4f84c30e9b34a61d8ba19366cc914424cdbd28252f6 \
-    --hash=sha256:ce74b49e8f7110f9bf04883b730f4765b774ef3ef28f722cce7c273d253aaf7d
-    # via django-easymde
 six==1.16.0 \
     --hash=sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926 \
     --hash=sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254
diff --git a/requirements/dev.txt b/requirements/dev.txt
index 9eeb4b990a2..d93ea00bb76 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -389,10 +389,6 @@ django-debug-toolbar==4.4.6 \
     --hash=sha256:36e421cb908c2f0675e07f9f41e3d1d8618dc386392ec82d23bcfcd5d29c7044 \
     --hash=sha256:3beb671c9ec44ffb817fad2780667f172bd1c067dbcabad6268ce39a81335f45
     # via -r requirements/dev.in
-django-easymde==1.0.4 \
-    --hash=sha256:0690902bde591461138e174e47f58363f1f7b7fb637ebae7401e7a6449177e26 \
-    --hash=sha256:5b2fd94953b76cb69aebd5d6169056084188e079609bee1300174ad54cfa346a
-    # via -r requirements/test.txt
 django-extensions==3.2.3 \
     --hash=sha256:44d27919d04e23b3f40231c4ab7af4e61ce832ef46d610cc650d53e68328410a \
     --hash=sha256:9600b7562f79a92cbf1fde6403c04fee314608fefbb595502e34383ae8203401
@@ -1608,12 +1604,6 @@ sentry-sdk==2.19.0 \
     --hash=sha256:7b0b3b709dee051337244a09a30dbf6e95afe0d34a1f8b430d45e0982a7c125b \
     --hash=sha256:ee4a4d2ae8bfe3cac012dcf3e4607975904c137e1738116549fc3dbbb6ff0e36
     # via -r requirements/test.txt
-setuptools==75.6.0 \
-    --hash=sha256:8199222558df7c86216af4f84c30e9b34a61d8ba19366cc914424cdbd28252f6 \
-    --hash=sha256:ce74b49e8f7110f9bf04883b730f4765b774ef3ef28f722cce7c273d253aaf7d
-    # via
-    #   -r requirements/test.txt
-    #   django-easymde
 shellcheck-py==0.10.0.1 \
     --hash=sha256:390826b340b8c19173922b0da5ef7b66ef34d4d087dc48aad3e01f7e77e164d9 \
     --hash=sha256:48f08965cafbb3363b265c4ef40628ffced19cb6fc7c4bb5ce72d32cbcfb4bb9 \
diff --git a/requirements/test.txt b/requirements/test.txt
index 661207d514e..e5162b85f0f 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -359,10 +359,6 @@ django-datadog-logger==0.7.3 \
     --hash=sha256:4361bb068a4b188fa14135398f9b747728464a291757e6adf8c95c9215dcd602 \
     --hash=sha256:87838cd868f407e050831c536413de6b2ece31433b28c952c0fd90be1d66486a
     # via -r requirements/base.txt
-django-easymde==1.0.4 \
-    --hash=sha256:0690902bde591461138e174e47f58363f1f7b7fb637ebae7401e7a6449177e26 \
-    --hash=sha256:5b2fd94953b76cb69aebd5d6169056084188e079609bee1300174ad54cfa346a
-    # via -r requirements/base.txt
 django-filter==24.3 \
     --hash=sha256:c4852822928ce17fb699bcfccd644b3574f1a2d80aeb2b4ff4f16b02dd49dc64 \
     --hash=sha256:d8ccaf6732afd21ca0542f6733b11591030fa98669f8d15599b358e24a2cd9c3
@@ -1491,12 +1487,6 @@ sentry-sdk==2.19.0 \
     --hash=sha256:7b0b3b709dee051337244a09a30dbf6e95afe0d34a1f8b430d45e0982a7c125b \
     --hash=sha256:ee4a4d2ae8bfe3cac012dcf3e4607975904c137e1738116549fc3dbbb6ff0e36
     # via -r requirements/base.txt
-setuptools==75.6.0 \
-    --hash=sha256:8199222558df7c86216af4f84c30e9b34a61d8ba19366cc914424cdbd28252f6 \
-    --hash=sha256:ce74b49e8f7110f9bf04883b730f4765b774ef3ef28f722cce7c273d253aaf7d
-    # via
-    #   -r requirements/base.txt
-    #   django-easymde
 shellcheck-py==0.10.0.1 \
     --hash=sha256:390826b340b8c19173922b0da5ef7b66ef34d4d087dc48aad3e01f7e77e164d9 \
     --hash=sha256:48f08965cafbb3363b265c4ef40628ffced19cb6fc7c4bb5ce72d32cbcfb4bb9 \
diff --git a/tests/utils/test_widgets.py b/tests/utils/test_widgets.py
new file mode 100644
index 00000000000..a2ee5c04d62
--- /dev/null
+++ b/tests/utils/test_widgets.py
@@ -0,0 +1,36 @@
+from django import forms
+from pytest_django.asserts import assertHTMLEqual
+
+from itou.utils.widgets import EasyMDEEditor
+
+
+class TestEasyMDEEditor:
+    def test_basic(self):
+        class MyForm(forms.Form):
+            description = forms.CharField(widget=EasyMDEEditor)
+
+        form = MyForm()
+        assertHTMLEqual(
+            str(form),
+            """
+            <div>
+            <label for="id_description">Description :</label>
+            <textarea class="easymde-box" cols="40" id="id_description" name="description" required rows="10">
+            </div>
+            """,
+        )
+
+    def test_custom_class(self):
+        class MyForm(forms.Form):
+            description = forms.CharField(widget=EasyMDEEditor(attrs={"class": "foo"}))
+
+        form = MyForm()
+        assertHTMLEqual(
+            str(form),
+            """
+            <div>
+            <label for="id_description">Description :</label>
+            <textarea class="easymde-box foo" cols="40" id="id_description" name="description" required rows="10">
+            </div>
+            """,
+        )