diff --git a/.gitmodules b/.gitmodules
index 88d3b91..5543aab 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,6 @@
 [submodule "lib/libflint"]
 	path = lib/libflint
-	url = https://git.fputs.com/fputs/libflint
+	url = https://git.burkey.co/eburk/libflint
 [submodule "lib/uthash"]
 	path = lib/uthash
 	url = https://github.com/troydhanson/uthash
diff --git a/README.md b/README.md
index a4e7e60..3312cbd 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ Advent Of Code solutions using C99. Builds and runs on macOS, Linux, and OpenBSD
 
 Be sure to clone the project with its submodules:
 
-    git clone --recurse-submodules https://git.fputs.com/fputs/advent
+    git clone --recurse-submodules https://git.burkey.co/eburk/advent
 
 This project relies on several BSD extensions to the stdlib. OpenBSD and macOS users should be able to build the project out of the box. Linux users will need `libbsd` installed. The package is called `libbsd-dev` on Debian-based systems.