diff --git a/changelogs/fragments/3267-dnsimple1-deprecation.yml b/changelogs/fragments/3267-dnsimple1-deprecation.yml
new file mode 100644
index 0000000000..dadc1d2901
--- /dev/null
+++ b/changelogs/fragments/3267-dnsimple1-deprecation.yml
@@ -0,0 +1,3 @@
+---
+deprecated_features:
+  - "dnsimple - python-dnsimple < 2.0.0 is deprecated and support for it will be removed in community.general 5.0.0 (https://github.com/ansible-collections/community.general/pull/2946#discussion_r667624693)."
diff --git a/plugins/modules/net_tools/dnsimple.py b/plugins/modules/net_tools/dnsimple.py
index 188f9fd64a..3681348f4e 100644
--- a/plugins/modules/net_tools/dnsimple.py
+++ b/plugins/modules/net_tools/dnsimple.py
@@ -82,6 +82,8 @@ options:
     version_added: 3.5.0
 requirements:
   - "dnsimple >= 1.0.0"
+notes:
+  - "Support for C(dnsimple < 2) is deprecated and will be removed in community.general 5.0.0."
 author: "Alex Coomans (@drcapulet)"
 '''
 
@@ -402,6 +404,11 @@ def main():
         if DNSIMPLE_MAJOR_VERSION > 1:
             ds = DNSimpleV2(account_email, account_api_token, sandbox, module)
         else:
+            module.deprecate(
+                'Support for python-dnsimple < 2 is deprecated. '
+                'Update python-dnsimple to version >= 2.0.0',
+                version='5.0.0', collection_name='community.general'
+            )
             ds = DNSimpleV1(account_email, account_api_token, sandbox, module)
         # Let's figure out what operation we want to do
         # No domain, return a list