diff --git a/external/benchmark b/external/benchmark
index 7d97a057..7ee72863 160000
--- a/external/benchmark
+++ b/external/benchmark
@@ -1 +1 @@
-Subproject commit 7d97a057e16597e8020d0aca110480fe82c9ca67
+Subproject commit 7ee72863fdb1ccb2af5a011250b56af3f49b7511
diff --git a/external/gsl-lite b/external/gsl-lite
index df36f637..89987ffc 160000
--- a/external/gsl-lite
+++ b/external/gsl-lite
@@ -1 +1 @@
-Subproject commit df36f6378336280043d7e06d8013e6fa4af6abd7
+Subproject commit 89987ffc3b6940ad7b7b9c61c5d5beea0bf2f2c0