diff --git a/semver.md b/semver.md
index 75dd310..be210b3 100644
--- a/semver.md
+++ b/semver.md
@@ -54,7 +54,7 @@ Semantic Versioning Specification (SemVer)
 
 The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD",
 "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be
-interpreted as described in [RFC 2119](http://tools.ietf.org/html/rfc2119).
+interpreted as described in [RFC 2119](https://tools.ietf.org/html/rfc2119).
 
 1. Software using Semantic Versioning MUST declare a public API. This API
 could be declared in the code itself or exist strictly in documentation.
@@ -346,7 +346,7 @@ About
 -----
 
 The Semantic Versioning specification is authored by [Tom
-Preston-Werner](http://tom.preston-werner.com), inventor of Gravatar and
+Preston-Werner](https://tom.preston-werner.com), inventor of Gravatar and
 cofounder of GitHub.
 
 If you'd like to leave feedback, please [open an issue on
@@ -356,4 +356,4 @@ GitHub](https://github.com/semver/semver/issues).
 License
 -------
 
-[Creative Commons - CC BY 3.0](http://creativecommons.org/licenses/by/3.0/)
+[Creative Commons - CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)