diff --git a/django_codemod/visitors/encoding.py b/django_codemod/visitors/encoding.py
index f0ecf43a..dfb825b2 100644
--- a/django_codemod/visitors/encoding.py
+++ b/django_codemod/visitors/encoding.py
@@ -1,11 +1,11 @@
-from django_codemod.constants import DJANGO_20, DJANGO_40
+from django_codemod.constants import DJANGO_30, DJANGO_40
 from django_codemod.visitors.base import BaseSimpleFuncRenameTransformer
 
 
 class ForceTextToForceStrTransformer(BaseSimpleFuncRenameTransformer):
     """Resolve deprecation of ``django.utils.encoding.force_text``."""
 
-    deprecated_in = DJANGO_20
+    deprecated_in = DJANGO_30
     removed_in = DJANGO_40
     rename_from = "django.utils.encoding.force_text"
     rename_to = "django.utils.encoding.force_str"
@@ -14,7 +14,7 @@ class ForceTextToForceStrTransformer(BaseSimpleFuncRenameTransformer):
 class SmartTextToForceStrTransformer(BaseSimpleFuncRenameTransformer):
     """Resolve deprecation of ``django.utils.encoding.smart_text``."""
 
-    deprecated_in = DJANGO_20
+    deprecated_in = DJANGO_30
     removed_in = DJANGO_40
     rename_from = "django.utils.encoding.smart_text"
     rename_to = "django.utils.encoding.smart_str"
diff --git a/django_codemod/visitors/translations.py b/django_codemod/visitors/translations.py
index 85e8a7e0..c318ea37 100644
--- a/django_codemod/visitors/translations.py
+++ b/django_codemod/visitors/translations.py
@@ -1,11 +1,11 @@
-from django_codemod.constants import DJANGO_20, DJANGO_40
+from django_codemod.constants import DJANGO_30, DJANGO_40
 from django_codemod.visitors.base import BaseSimpleFuncRenameTransformer
 
 
 class UGetTextToGetTextTransformer(BaseSimpleFuncRenameTransformer):
     """Resolve deprecation of ``django.utils.translation.ugettext``."""
 
-    deprecated_in = DJANGO_20
+    deprecated_in = DJANGO_30
     removed_in = DJANGO_40
     rename_from = "django.utils.translation.ugettext"
     rename_to = "django.utils.translation.gettext"
@@ -14,7 +14,7 @@ class UGetTextToGetTextTransformer(BaseSimpleFuncRenameTransformer):
 class UGetTextLazyToGetTextLazyTransformer(BaseSimpleFuncRenameTransformer):
     """Resolve deprecation of ``django.utils.translation.ugettext_lazy``."""
 
-    deprecated_in = DJANGO_20
+    deprecated_in = DJANGO_30
     removed_in = DJANGO_40
     rename_from = "django.utils.translation.ugettext_lazy"
     rename_to = "django.utils.translation.gettext_lazy"
@@ -23,7 +23,7 @@ class UGetTextLazyToGetTextLazyTransformer(BaseSimpleFuncRenameTransformer):
 class UGetTextNoopToGetTextNoopTransformer(BaseSimpleFuncRenameTransformer):
     """Resolve deprecation of ``django.utils.translation.ugettext_noop``."""
 
-    deprecated_in = DJANGO_20
+    deprecated_in = DJANGO_30
     removed_in = DJANGO_40
     rename_from = "django.utils.translation.ugettext_noop"
     rename_to = "django.utils.translation.gettext_noop"
@@ -32,7 +32,7 @@ class UGetTextNoopToGetTextNoopTransformer(BaseSimpleFuncRenameTransformer):
 class UNGetTextToNGetTextTransformer(BaseSimpleFuncRenameTransformer):
     """Resolve deprecation of ``django.utils.translation.ungettext``."""
 
-    deprecated_in = DJANGO_20
+    deprecated_in = DJANGO_30
     removed_in = DJANGO_40
     rename_from = "django.utils.translation.ungettext"
     rename_to = "django.utils.translation.ngettext"
@@ -41,7 +41,7 @@ class UNGetTextToNGetTextTransformer(BaseSimpleFuncRenameTransformer):
 class UNGetTextLazyToNGetTextLazyTransformer(BaseSimpleFuncRenameTransformer):
     """Resolve deprecation of ``django.utils.translation.ungettext_lazy``."""
 
-    deprecated_in = DJANGO_20
+    deprecated_in = DJANGO_30
     removed_in = DJANGO_40
     rename_from = "django.utils.translation.ungettext_lazy"
     rename_to = "django.utils.translation.ngettext_lazy"
diff --git a/django_codemod/visitors/urls.py b/django_codemod/visitors/urls.py
index 85dd1d58..9bb379f3 100644
--- a/django_codemod/visitors/urls.py
+++ b/django_codemod/visitors/urls.py
@@ -1,11 +1,11 @@
-from django_codemod.constants import DJANGO_20, DJANGO_40
+from django_codemod.constants import DJANGO_30, DJANGO_40
 from django_codemod.visitors.base import BaseSimpleFuncRenameTransformer
 
 
 class URLToRePathTransformer(BaseSimpleFuncRenameTransformer):
     """Resolve deprecation of ``django.conf.urls.url``."""
 
-    deprecated_in = DJANGO_20
+    deprecated_in = DJANGO_30
     removed_in = DJANGO_40
     rename_from = "django.conf.urls.url"
     rename_to = "django.urls.re_path"