diff --git a/twstock/codes/fetch.py b/twstock/codes/fetch.py
index e6b3332..19fd4cd 100644
--- a/twstock/codes/fetch.py
+++ b/twstock/codes/fetch.py
@@ -15,8 +15,8 @@
 
 from twstock.proxy import get_proxies
 
-TWSE_EQUITIES_URL = "http://isin.twse.com.tw/isin/C_public.jsp?strMode=2"
-TPEX_EQUITIES_URL = "http://isin.twse.com.tw/isin/C_public.jsp?strMode=4"
+TWSE_EQUITIES_URL = "https://isin.twse.com.tw/isin/C_public.jsp?strMode=2"
+TPEX_EQUITIES_URL = "https://isin.twse.com.tw/isin/C_public.jsp?strMode=4"
 ROW = namedtuple(
     "Row", ["type", "code", "name", "ISIN", "start", "market", "group", "CFI"]
 )
diff --git a/twstock/realtime.py b/twstock/realtime.py
index 9aa9655..bbb97a6 100644
--- a/twstock/realtime.py
+++ b/twstock/realtime.py
@@ -9,9 +9,9 @@
 
 from twstock.proxy import get_proxies
 
-SESSION_URL = "http://mis.twse.com.tw/stock/index.jsp"
+SESSION_URL = "https://mis.twse.com.tw/stock/index.jsp"
 STOCKINFO_URL = (
-    "http://mis.twse.com.tw/stock/api/getStockInfo.jsp?ex_ch={stock_id}&_={time}"
+    "https://mis.twse.com.tw/stock/api/getStockInfo.jsp?ex_ch={stock_id}&_={time}"
 )
 
 # Mock data
diff --git a/twstock/stock.py b/twstock/stock.py
index d742c34..d72d9cd 100644
--- a/twstock/stock.py
+++ b/twstock/stock.py
@@ -24,8 +24,8 @@
     from codes import codes
 
 
-TWSE_BASE_URL = "http://www.twse.com.tw/"
-TPEX_BASE_URL = "http://www.tpex.org.tw/"
+TWSE_BASE_URL = "https://www.twse.com.tw/"
+TPEX_BASE_URL = "https://www.tpex.org.tw/"
 DATATUPLE = namedtuple(
     "Data",
     [