diff --git a/src/apps/profiles/forms.py b/src/apps/profiles/forms.py
index 8f8ca1d2c..042009adf 100644
--- a/src/apps/profiles/forms.py
+++ b/src/apps/profiles/forms.py
@@ -19,9 +19,9 @@ def clean_username(self):
             raise forms.ValidationError("Username can only contain lowercase letters, numbers, hyphens, and underscores.")
 
         # Check username length
-        if (len(data) > 15) or (len(data) < 5):
+        if (len(data) > 50) or (len(data) < 5):
             raise forms.ValidationError(
-                "Username must have at least 5 characters and at most 15 characters"
+                "Username must have at least 5 characters and at most 50 characters"
             )
         return data
 
@@ -39,8 +39,8 @@ class Meta:
 
 class LoginForm(forms.Form):
 
-    username = forms.CharField(max_length=150)
-    password = forms.CharField(max_length=150, widget=forms.PasswordInput)
+    username = forms.CharField(max_length=50)
+    password = forms.CharField(max_length=50, widget=forms.PasswordInput)
 
 
 class ActivationForm(forms.Form):
diff --git a/version.json b/version.json
index 234b597a3..e24cd6680 100644
--- a/version.json
+++ b/version.json
@@ -1,5 +1,5 @@
 {
-  "tag_name": "v1.31",
-  "release_name": "v1.31",
-  "html_url": "https://github.com/codalab/codabench/releases/tag/v1.31"
+  "tag_name": "v1.31.1",
+  "release_name": "v1.31.1",
+  "html_url": "https://github.com/codalab/codabench/releases/tag/v1.31.1"
 }