diff --git a/.gitmodules b/.gitmodules
index d5a7ade4febb3b5c793b4a3ee3a647a6ee0e62e3..a08850c1a68a8d6536493d5027c805e275712dd9 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -18,7 +18,7 @@
     url = https://github.com/fmtlib/fmt.git
 [submodule "lz4"]
     path = externals/lz4
-    url = http://github.com/lz4/lz4.git
+    url = https://github.com/lz4/lz4.git
 [submodule "unicorn"]
     path = externals/unicorn
     url = https://github.com/yuzu-emu/unicorn