diff --git a/src/hispec/driver/inficon b/src/hispec/driver/inficon
index d713d3c..21ec2b9 160000
--- a/src/hispec/driver/inficon
+++ b/src/hispec/driver/inficon
@@ -1 +1 @@
-Subproject commit d713d3cd81d103eee918f5e7c85049368e348c0a
+Subproject commit 21ec2b90fc6e38329efbbb4b98e068b3ef4877c0
diff --git a/src/hispec/driver/newport b/src/hispec/driver/newport
index ea831f0..264b46b 160000
--- a/src/hispec/driver/newport
+++ b/src/hispec/driver/newport
@@ -1 +1 @@
-Subproject commit ea831f02baf40abe2fe5b836ef8ff7823988ea12
+Subproject commit 264b46ba5c50850081cc8cc5db6e7769ed3cd502
diff --git a/src/hispec/driver/pi b/src/hispec/driver/pi
index 3142e64..a845034 160000
--- a/src/hispec/driver/pi
+++ b/src/hispec/driver/pi
@@ -1 +1 @@
-Subproject commit 3142e6481d10ea99a8e326a8485639061dcbbb93
+Subproject commit a8450345f6693906cbcc92041ab9e39f5eb4a8f4
diff --git a/src/hispec/driver/standa b/src/hispec/driver/standa
index 6e9fd59..b73eb55 160000
--- a/src/hispec/driver/standa
+++ b/src/hispec/driver/standa
@@ -1 +1 @@
-Subproject commit 6e9fd5969bae103c6a821515bac72ae35de06717
+Subproject commit b73eb553d484232770eca5321da2ea272df0fa2a
diff --git a/src/hispec/driver/xeryon b/src/hispec/driver/xeryon
index 6a8a456..d16717d 160000
--- a/src/hispec/driver/xeryon
+++ b/src/hispec/driver/xeryon
@@ -1 +1 @@
-Subproject commit 6a8a4567145b0a522fb4f83efa7bdae65f718048
+Subproject commit d16717d8fc166e58b44e898ffd497ba43288ff73