diff --git a/doc/pdoc/index.html b/doc/pdoc/index.html
index dc04fca7..bea1271c 100644
--- a/doc/pdoc/index.html
+++ b/doc/pdoc/index.html
@@ -7,8 +7,8 @@
     <meta name="description" content="Module pdoc provides types and functions for accessing the public
 documentation of a Python module. ..." />
 
-  <link href='http://fonts.googleapis.com/css?family=Source+Sans+Pro:400,300' rel='stylesheet' type='text/css'>
-  
+  <link href='https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,300' rel='stylesheet' type='text/css'>
+
   <style type="text/css">
   
 * {
diff --git a/pdoc/templates/html.mako b/pdoc/templates/html.mako
index 46a1726d..063cf8a9 100644
--- a/pdoc/templates/html.mako
+++ b/pdoc/templates/html.mako
@@ -418,7 +418,7 @@
     <meta name="description" content="${module.docstring | glimpse, trim}" />
   % endif
 
-  <link href='http://fonts.googleapis.com/css?family=Source+Sans+Pro:400,300' rel='stylesheet' type='text/css'>
+  <link href='https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,300' rel='stylesheet' type='text/css'>
   <%namespace name="css" file="css.mako" />
   <style type="text/css">
   ${css.pre()}