diff --git a/pubspec.lock b/pubspec.lock
index aa5fddd..d77aa6e 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -608,7 +608,7 @@ packages:
       path: "."
       ref: "bugfix/WrongCastObjectIdentifier"
       resolved-ref: c6bdd7682a6e4467352eb820129e038d441ac4d1
-      url: "git://github.com/NicolaVerbeeck/x509"
+      url: "https://github.com/NicolaVerbeeck/x509"
     source: git
     version: "0.2.2"
   xdg_directories:
diff --git a/pubspec.yaml b/pubspec.yaml
index 592766a..6e6eda0 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -37,7 +37,7 @@ dependencies:
   asn1lib: ^1.0.2
   x509:
     git:
-      url: git://github.com/NicolaVerbeeck/x509
+      url: https://github.com/NicolaVerbeeck/x509
       ref: bugfix/WrongCastObjectIdentifier
   crypto: ^3.0.1
   punycode: ^1.0.0