diff --git a/.gitmodules b/.gitmodules
index e569f67..c28fe5b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "externals/stratum"]
 	path = externals/stratum
 	url = https://github.com/slush0/stratum.git
+[submodule "externals/quarkcoin-hash"]
+	path = externals/quarkcoin-hash
+	url = https://github.com/Neisklar/quarkcoin-hash-python
diff --git a/externals/quarkcoin-hash b/externals/quarkcoin-hash
new file mode 160000
index 0000000..8855c58
--- /dev/null
+++ b/externals/quarkcoin-hash
@@ -0,0 +1 @@
+Subproject commit 8855c585d06f510134a8c66b686705f494bda0d9