diff --git a/README.md b/README.md
index 3909876..9c0aa66 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ BorderCastle is the same as the stock BouncyCastle with a couple of small change
 
 ## Why not SpongyCastle?
 
-Why another fork apart from the already available [SpongyCastle](http://rtyley.github.io/spongycastle/ 'SpongyCastle WebSite')?
+Why another fork apart from the already available [SpongyCastle](https://rtyley.github.io/spongycastle/ 'SpongyCastle WebSite')?
 
 First of all, SpongyCastle doesn't appear to be maintained any longer and thus it is not reflecting recent BouncyCastle versions.
 
@@ -41,7 +41,7 @@ This allows the provider to be used for both, on Android and with "normal" Java
 
 ## License
 
-BorderCastle is licensed under the same [adaptation of the MIT X11 License](http://www.bouncycastle.org/licence.html 'BouncyCastle License') as the original BouncyCastle library.
+BorderCastle is licensed under the same [adaptation of the MIT X11 License](https://www.bouncycastle.org/licence.html 'BouncyCastle License') as the original BouncyCastle library.
 
 ## Downloads