diff --git a/backend/feed_engine/fetcher.py b/backend/feed_engine/fetcher.py
index a894138..6f4324f 100644
--- a/backend/feed_engine/fetcher.py
+++ b/backend/feed_engine/fetcher.py
@@ -112,7 +112,9 @@
 from dataclasses import dataclass
 from urllib.error import HTTPError, URLError
 from urllib.parse import urlsplit
-from urllib.request import Request, urlopen
+from urllib.request import HTTPSHandler, Request, build_opener
+
+import certifi
 
 from feed_engine.errors import FeedEngineError
 
@@ -178,10 +180,16 @@ def _fetch_feed_sync(
 
     request = Request(url, headers=headers)
 
+    if url.startswith("https://"):
+        ssl_context = ssl.create_default_context(cafile=certifi.where())
+        opener = build_opener(HTTPSHandler(context=ssl_context))
+    else:
+        opener = build_opener()
+
     print("[FETCH START]", url)
 
     try:
-        with urlopen(request, timeout=timeout_seconds) as response:
+        with opener.open(request, timeout=timeout_seconds) as response:
             print("[FETCH OK]", response.status)
 
             return FetchResponse(
diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 4125203..63d7e0a 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -66,6 +66,7 @@ dependencies = [
     "bleach>=6.2",
     "lxml>=5.3",
     "markdownify>=1.1",
+    "certifi>=2024",
 ]
 
 [dependency-groups]
diff --git a/backend/uv.lock b/backend/uv.lock
index 7718381..1b79e30 100644
--- a/backend/uv.lock
+++ b/backend/uv.lock
@@ -338,6 +338,7 @@ source = { virtual = "." }
 dependencies = [
     { name = "beautifulsoup4" },
     { name = "bleach" },
+    { name = "certifi" },
     { name = "fastapi" },
     { name = "httpx" },
     { name = "lxml" },
@@ -362,6 +363,7 @@ dev = [
 requires-dist = [
     { name = "beautifulsoup4", specifier = ">=4.12" },
     { name = "bleach", specifier = ">=6.2" },
+    { name = "certifi", specifier = ">=2024" },
     { name = "fastapi", specifier = ">=0.115" },
     { name = "httpx", specifier = ">=0.27" },
     { name = "lxml", specifier = ">=5.3" },