diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index a03c9055e..ee37049ac 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -60,6 +60,6 @@ report. Once you verified all of the above, you may use the template below to fi
 [6]: http://www.sassmeister.com/
 [7]: https://rubygems.org/gems/sass
 
-[8]: http://sass-lang.com/
+[8]: https://sass-lang.com/
 [9]: https://github.com/sass/libsass/tree/master/docs
 [10]: https://github.com/sass/sass-spec
diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
index dfc4c84a7..c4164af10 100644
--- a/CODE_OF_CONDUCT.md
+++ b/CODE_OF_CONDUCT.md
@@ -7,4 +7,4 @@ fair place to play.
 
 [The full community guidelines can be found on the Sass website.][link]
 
-[link]: http://sass-lang.com/community-guidelines
+[link]: https://sass-lang.com/community-guidelines
diff --git a/docs/README.md b/docs/README.md
index a233fae48..22dc4f562 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -15,6 +15,6 @@ Or make your own!
 
 |   Issue Tracker   |            Issue Triage          |     Community Guidelines    |
 |-------------------|----------------------------------|-----------------------------|
-| We're always needing help, so check out our issue tracker, help some people out, and read our article on [Contributing](contributing.md)! It's got all the details on what to do! | To help understand the process of triaging bugs, have a look at our [Issue-Triage](triage.md) document. | Oh, and don't forget we always follow [[Sass Community Guidelines|http://sass-lang.com/community-guidelines]]. Be nice and everyone else will be nice too! |
+| We're always needing help, so check out our issue tracker, help some people out, and read our article on [Contributing](contributing.md)! It's got all the details on what to do! | To help understand the process of triaging bugs, have a look at our [Issue-Triage](triage.md) document. | Oh, and don't forget we always follow [[Sass Community Guidelines|https://sass-lang.com/community-guidelines]]. Be nice and everyone else will be nice too! |
 
 Please refer to the steps on [Building LibSass](build.md)
diff --git a/src/operators.cpp b/src/operators.cpp
index c2fa9fa82..57ce56449 100644
--- a/src/operators.cpp
+++ b/src/operators.cpp
@@ -64,7 +64,7 @@ namespace Sass {
         "The operation `" + lsh + " " + sass_op_to_name(op) + " " + rhs +
         "` is deprecated and will be an error in future versions.",
         "Consider using Sass's color functions instead.\n"
-        "http://sass-lang.com/documentation/Sass/Script/Functions.html#other_color_functions",
+        "https://sass-lang.com/documentation/Sass/Script/Functions.html#other_color_functions",
         /*with_column=*/false, pstate);
     }