diff --git a/esphome/components/font/__init__.py b/esphome/components/font/__init__.py
index ced433dc5a..aa165ebaa5 100644
--- a/esphome/components/font/__init__.py
+++ b/esphome/components/font/__init__.py
@@ -146,7 +146,7 @@ def download_gfonts(value):
     if path.is_file():
         return value
     try:
-        req = requests.get(url)
+        req = requests.get(url, timeout=30)
         req.raise_for_status()
     except requests.exceptions.RequestException as e:
         raise cv.Invalid(
@@ -162,7 +162,7 @@ def download_gfonts(value):
 
     ttf_url = match.group(1)
     try:
-        req = requests.get(ttf_url)
+        req = requests.get(ttf_url, timeout=30)
         req.raise_for_status()
     except requests.exceptions.RequestException as e:
         raise cv.Invalid(f"Could not download ttf file for {name} ({ttf_url}): {e}")
diff --git a/esphome/components/shelly_dimmer/light.py b/esphome/components/shelly_dimmer/light.py
index 003498c090..3978d37c0b 100644
--- a/esphome/components/shelly_dimmer/light.py
+++ b/esphome/components/shelly_dimmer/light.py
@@ -73,7 +73,7 @@ def get_firmware(value):
 
     def dl(url):
         try:
-            req = requests.get(url)
+            req = requests.get(url, timeout=30)
             req.raise_for_status()
         except requests.exceptions.RequestException as e:
             raise cv.Invalid(f"Could not download firmware file ({url}): {e}")
diff --git a/esphome/dashboard/dashboard.py b/esphome/dashboard/dashboard.py
index ca2767639d..e7a17cba4c 100644
--- a/esphome/dashboard/dashboard.py
+++ b/esphome/dashboard/dashboard.py
@@ -823,7 +823,9 @@ class LoginHandler(BaseHandler):
             "password": self.get_argument("password", ""),
         }
         try:
-            req = requests.post("http://supervisor/auth", headers=headers, data=data)
+            req = requests.post(
+                "http://supervisor/auth", headers=headers, data=data, timeout=30
+            )
             if req.status_code == 200:
                 self.set_secure_cookie("authenticated", cookie_authenticated_yes)
                 self.redirect("/")
diff --git a/requirements_test.txt b/requirements_test.txt
index ed48818276..8ae7563642 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -1,4 +1,4 @@
-pylint==2.14.5
+pylint==2.15.0
 flake8==5.0.4
 black==22.6.0  # also change in .pre-commit-config.yaml when updating
 pyupgrade==2.37.3  # also change in .pre-commit-config.yaml when updating