diff --git a/.gitmodules b/.gitmodules
index de39e957..de14cf49 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -912,3 +912,6 @@
 [submodule "repos/VsWorld"]
 	path = repos/VsWorld
 	url = https://github.com/Synismusist/VsWorld.git
+[submodule "repos/HardSeqs"]
+	path = repos/HardSeqs
+	url = https://github.com/regular-dev/hardseqs.git
diff --git a/repos/HardSeqs b/repos/HardSeqs
new file mode 160000
index 00000000..82b5d6fa
--- /dev/null
+++ b/repos/HardSeqs
@@ -0,0 +1 @@
+Subproject commit 82b5d6faf2a5ed457e027c91fce1fc5eb19217be