diff --git a/.gitmodules b/.gitmodules
index ef75a52d5..6a500c473 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -21,7 +21,7 @@
 	url = https://github.com/ORNL-QCI/TriQ.git
 [submodule "tpls/qsim"]
 	path = tpls/qsim
-	url = https://github.com/ORNL-QCI/qsim.git
+	url = https://github.com/quantumlib/qsim.git
 [submodule "tpls/pybind11"]
 	path = tpls/pybind11
 	url = https://github.com/pybind/pybind11.git
diff --git a/tpls/qsim b/tpls/qsim
index 0afeb2bae..cf69fde84 160000
--- a/tpls/qsim
+++ b/tpls/qsim
@@ -1 +1 @@
-Subproject commit 0afeb2bae0981cccd3a92b75f6375ed8f6a213e4
+Subproject commit cf69fde84d99aaa8e852aacc0b410928d436dc23